Zazzagewa Game APK

Zazzagewa MAD RUNNER 2024

MAD RUNNER 2024

MAD RUNNER wasa ne na kasada inda zaku yi parkour. A hakikanin gaskiya, parkour wani lamari ne da ya bayyana a rayuwar dan adam a cikin yan shekarun nan, kuma na tabbata kun ci karo da shi a cikin bidiyo a intanet ko a talabijin. Mutanen da suka yi tsalle daga saman dogayen gine-gine zuwa wasu gine-gine ko kuma suka yi tsalle kan motoci...

Zazzagewa Prison Shooter 2024

Prison Shooter 2024

Gidan yari Shooter wasa ne na kan layi inda ƴan daba ke faɗa. Za a iya buga wasan akan layi kawai, don haka idan kuna son yin wannan wasan kuna buƙatar samun haɗin Intanet mai aiki. Bayan ƙirƙirar halayen ku, kuna matsa babban maɓallin akan allon don yin faɗa sannan ku ci karo da allon lodi. Anan kuna jiran jimlar ƴan wasa 6 su kammala,...

Zazzagewa Jake's Adventures 2024

Jake's Adventures 2024

Jakes Adventures wasa ne na kasada na Mario-kamar Android. Mario, daya daga cikin wasannin almara na shekarun da suka gabata, an samar da wannan lokacin don dandalin wayar hannu ta kamfanin PEKA Entertainment tare da raayi daban-daban. A cikin wasan, kuna sarrafa mai hakar maadinai kuma kuna ƙoƙarin tattara abubuwa masu mahimmanci a...

Zazzagewa Hooky Crook 2024

Hooky Crook 2024

Hooky Crook wasa ne na fasaha wanda zaku sarrafa cat wakili. A cikin wannan wasan da Rogue Co. ya haɓaka, zaku shiga cikin tashin hankali da kasada mai ban shaawa. Manufar ku a wasan shine don samun koren luu-luu a ƙarshen matakin, akwai koren luu-luu a kowane matakin. Lokacin da ka sami cat zuwa koren luu-luu, kun kammala matakin. Ko da...

Zazzagewa Toppl 2024

Toppl 2024

Toppl wasa ne na fasaha wanda a cikinsa kuke ƙoƙarin kiyaye alamar kibiya akan dandamali. Wannan wasan, wanda Thap Krida ya haɓaka, yana da raayi da ke ci gaba har abada, don haka za mu iya cewa wani nauin wasa ne marar iyaka dangane da rayuwa. Lokacin da kuka fara wasan, zaku ga alamar kibiya akan dandamali, kuna buƙatar yin motsi na...

Zazzagewa Mergs 2024

Mergs 2024

Mergs wasa ne na fasaha inda kuka haɗa siffofi iri ɗaya tare. Ku shirya don wasan da ya dace sosai, abokaina. Mergs, wanda Nitroyale ya haɓaka, yana da mathematics daban-daban. Ba zai yiwu a bayyana shi gaba daya a nan ba, amma har yanzu zan ba ku cikakken bayani game da wasan gwargwadon iyawa. Wasan yana da wasan wasa 5x5, wanda aka ba...

Zazzagewa Wings of Steel 2024

Wings of Steel 2024

Wings of Karfe wasa ne na aikin da kuke sarrafa jiragen yaki. Za ku so wannan wasan, wanda ke ba ku babban kasada na yaƙi tare da ingantattun zane-zane da injin kimiyyar lissafi. Kuna aiwatar da ayyuka masu wahala tare da jirgin saman yaƙin da kuke sarrafawa. Ko da a cikin kashi na farko na wasan, ana tambayar ku da ku lalata jiragen...

Zazzagewa Mundus: Impossible Universe 2024

Mundus: Impossible Universe 2024

Mundus: Impossible Universe wasa ne mai dacewa wanda zaku bincika sararin samaniya kuma ku kammala gazawarta. Kuna sarrafa matafiyi a cikin wannan wasan da ya dace wanda ke haifar da tasiri mai ban shaawa tare da tunanin sa na sufi da kiɗan sa. Kuna buƙatar gano mahimman abubuwan duniya kuma sanya wasu abubuwan da suka ɓace a wurin inda...

Zazzagewa Super Punchman 2024

Super Punchman 2024

Super Punchman wasa ne wanda zakuyi kokarin tsira daga dinosaur. Wannan wasan, wanda Mugle Studio ya haɓaka, yana da raayi wanda nake tsammanin za ku yi wasa na dogon lokaci, ko da yake yana iya zama mai sauƙi kuma har ma da ƙarancin inganci. Don haka, kuna tsammanin za ku yi wasa kaɗan kawai, amma idan kun bar wasan gaba ɗaya, kun ga...

Zazzagewa Decipher 2024

Decipher 2024

Decipher wasa ne inda kake ƙoƙarin haɗa layi. A zahiri, ba zai yiwu a kwatanta wannan wasan ba, dole ne in ce yana da raayi daban-daban, kamar sauran wasannin da Infinity Games suka haɓaka. Akwai dairori da yawa a cikin Decipher kuma akwai layukan da ke wucewa ta cikin dairori. Akwai sarari a cikin ƙaramin yanki kawai na dairori, kuma...

Zazzagewa Sound Sky 2024

Sound Sky 2024

Sound Sky wasa ne na fasaha inda kuke yin kiɗa a sararin samaniya. Da farko dai, tunda wasa ne gaba ɗaya bisa sauti, ina ba ku shawarar ku yi wasa da belun kunne, yanuwa. Idan kun kasance wanda ke son wasannin kiɗa, Ina tsammanin yakamata ku sami wasan Sound Sky akan naurar ku ta Android. A cikin wasan, kuna yin kiɗa ta hanyar canzawa...

Zazzagewa Splashy Cube: Color Run 2024

Splashy Cube: Color Run 2024

Splashy Cube: Launi Gudun wasa ne wanda zaku yi ƙoƙarin ciyar da cube ɗin na dogon lokaci. Dole ne in faɗi cewa ina matukar son wannan wasan, wanda ke da raayi mai sauƙi amma yana da jaraba tare da tsarin nishaɗin sa. Kuna sarrafa ƙaramin cube mai launin rawaya a cikin Splashy Cube: Gudun Launi, wanda ke kawo hangen nesa daban ga...

Zazzagewa Toy Fun 2024

Toy Fun 2024

Toy Fun wasa ne mai nishadi inda zaku harba teddy bears. Kuna sarrafa tunkiya a cikin wannan wasan, wanda gabaɗaya zai burge matasa. Tunkiya tana da bindigar da za ta iya harba ƙwallo masu launi, kuma a saman allon akwai dandali masu gudana akai-akai kamar injin escalator, wanda ke da hanyoyi 4 gabaɗaya. Abin wasan yara yana faɗuwa ba da...

Zazzagewa Transformers Rescue Bots 2024

Transformers Rescue Bots 2024

Transformers Rescue Bots wasa ne mai ban shaawa wanda zaku magance balai a duniya. Ayyuka daban-daban suna jiran ku a cikin wannan wasan da Budge Studios ya haɓaka, abokaina. A cewar labarin a farkon wasan, a duk faɗin duniya na fuskantar balaoi. Yayin da wasu wuraren ke cikin yanayin sanyi mai tsananin sanyi, wasu wuraren kuma na...

Zazzagewa Adventure Escape: Dark Ruins 2024

Adventure Escape: Dark Ruins 2024

Gudun Hijira: Dark Ruins wasa ne mai ban shaawa wanda zaku warware asirin birni laananne. Tawagar masu binciken kayan tarihi da yawa kwanan nan sun gano wani wuri a wajen sararin samaniyar ɗan adam. Ya ƙaddara cewa an yi rayuwa a nan kuma ɗan adam na gaba zai iya rayuwa a can ma. Anan zaku tattara duk abubuwan don warwarewa da bayyana...

Zazzagewa Vikings: The Saga 2024

Vikings: The Saga 2024

Vikings: Saga wasan kare hasumiya ne inda zaku kare gidan ku daga abokan gaba. Ku shirya don wasa mai daɗi tare da jigon Viking, abokaina. Godiya ga kyawun zane da tsarin nishadi, wannan wasan zai zama makawa na dogon lokaci. A cikin wannan wasan, inda kuka ci gaba a matakai, kuna da babban gwarzo na Viking, baya ga wannan, kuna ƙoƙarin...

Zazzagewa Samurai Kazuya 2024

Samurai Kazuya 2024

Samurai Kazuya wasa ne na kasada wanda a cikinsa kuke haɓaka samurai a fagen kungfu. Samurai Kazuya wasa ne na nauin dannawa, wanda ke nufin kuna sarrafa komai tare da ƴan famfo kuma koyaushe kuna ƙoƙarin inganta kanku. Wasannin nauin Clicker na iya zama mai ban shaawa bayan ɗan lokaci saboda suna ci gaba har abada, amma tunda Samurai...

Zazzagewa Home Design Dreams 2024

Home Design Dreams 2024

Mafarkin Tsarin Gida wasa ne na ƙirar gida tare da zane na 3D. A ƙofar, an gaishe ku da hali Benjamin Benjamin wani dattijo ne wanda ya kasance mai zane-zane na ciki shekaru da yawa kuma ya zana gidaje ta hanyar da ta dace da mutane. Yana da kwarewa da yawa da zai ba ku, kun koyi yadda ake muamala da gidaje a farkon. Kodayake Mafarkin...

Zazzagewa Wizard's Wheel 2 Free

Wizard's Wheel 2 Free

Wizards Wheel 2 wasa ne mai ban shaawa tare da zanen pixel. Ya kamata in nuna a farkon cewa idan kun kasance wanda ke da babban tsammanin dangane da zane-zane kuma koyaushe yana son wasanni tare da sauƙin fahimta, Wizards Wheel 2 na iya zama wasan da bai kamata ku shaawar ba. A gaskiya ma, lokacin da kuka shiga wasan, kuna ciyar da...

Zazzagewa Zombie Beach Party 2024

Zombie Beach Party 2024

Zombie Beach Party wasa ne na aiki inda kuke juya mutane zuwa aljanu. A cikin wannan wasan, wanda ke da raayi mai daɗi sosai kuma PopReach Incorporated ya haɓaka, kuna yawo a cikin ƙaramin bakin teku. A farkon, akwai aljanu guda 3 bayan ku, dole ne ku zagaya cikin yanayi, ku buge mutane kuma ku juya su cikin aljanu ta hanyar cizon su....

Zazzagewa 4x4 Russian SUVs Off-Road Free

4x4 Russian SUVs Off-Road Free

4x4 Rasha SUVs Off-Road wasa ne na tsere wanda zaku yi ayyuka a cikin mawuyacin yanayi. Yawancin manufa suna jiran ku a cikin wannan wasan da aka haɓaka don mutanen da ke son kashe hanya, abokaina. Zan iya cewa ingancin hoto na wasan matsakaici ne, a zahiri akwai kurakurai da yawa a wasan, amma ina tsammanin za a warware waɗannan a...

Zazzagewa Troll Face Quest Horror 2024

Troll Face Quest Horror 2024

Troll Face Quest Horror wasa ne inda kuke sanya haruffa masu ban tsoro suyi ban dariya. Idan kun kunna jerin abubuwan Troll Face a baya, zaku iya dacewa da wannan wasan cikin ɗan lokaci kaɗan, abokaina. Wasan yana da daɗi sosai kuma yana da ban shaawa, don haka zan iya cewa ba za ku rasa lokaci ba. A cikin jerin Face na Troll, dole ne ku...

Zazzagewa Star Knight 2024

Star Knight 2024

Star Knight wasa ne na aiki inda zaku yi yaƙi da abokan gaba tare da jarumi. Za ku sami lokacin jin daɗi sosai a cikin wannan wasan inda za ku yi babban kasada tare da mai son ku a gefen ku. Tare da kiɗan sa na sirri da zane mai inganci, Star Knight yana ba ku kasada da kuke so akan wayar hannu. A cikin Star Knight, kuna matsawa hagu da...

Zazzagewa The Last Runner 2024

The Last Runner 2024

Gudun Ƙarshe wasa ne mai gudana inda za ku guje wa cikas. A cikin wannan wasan, kuna sarrafa ɗan ƙaramin yaro kuma ku bi ta cikin mawuyacin tituna na birni. Kuna iya gudu har abada idan kuna so, ko kuna iya ci gaba a cikin sassan. Tabbas, bai kamata mu kwatanta wannan da sauran wasanni masu gudana ba saboda kuna wasa The Last Runner daga...

Zazzagewa JetKnight 2024

JetKnight 2024

JetKnight wasa ne mai ban shaawa, fasaha mai zurfi. A cikin wannan wasan wanda 1DER Entertainment ya haɓaka, kuna sarrafa jarumi tare da roka na jet a bayansa. Manufar ku ita ce ku isa saman hasumiya, da zarar kun isa saman ku kammala matakin kuma ku ci gaba zuwa sashe na gaba. JetKnight wasa ne mai wuyar gaske, ko da a farkon za ku iya...

Zazzagewa Bouncy Tins 2024

Bouncy Tins 2024

Bouncy Tins wasa ne wanda zaku yi ƙoƙarin tsira akan tituna cike da tarko. Wannan wasan, wanda a cikinsa kuke sarrafa ɗan ƙaramin mutum-mutumi wanda koyaushe yana tsalle, yana ci gaba har abada, don haka kuna ƙoƙarin samun maki da yawa gwargwadon iyawa. Akwai dandamali tare da rata tsakanin su akan allon ta hanyar tsalle ta cikin rata...

Zazzagewa Ninja VS Bomb 2024

Ninja VS Bomb 2024

Ninja VS Bomb wasa ne na fasaha inda zaku tsere daga bama-bamai. A cikin wannan wasa tare da raayi mai sauƙi, burin ku shine ku tsira muddin zai yiwu. Babu ƙarin kimantawa kamar ci gaban matakin ko samun kari. Don haka duk abin da za ku yi a nan shi ne ku guje wa bama-bamai ta hanyar sarrafa ninja. Akwai wuyar warwarewa 4x4 a tsakiyar...

Zazzagewa Brick Slasher 2024

Brick Slasher 2024

Brick Slasher wasa ne na fasaha na 3D inda zaku lalata hasumiya. Da farko, bari in bayyana cewa Ketchapp ne ya kirkiro wasan, a takaice, yana da raayi mai wahala. Brick Slasher wasa ne inda zaku iya sauƙaƙa ɗan damuwa da samun lokacin jin daɗi. Domin ka san fasawa da fasa abubuwa ko ta yaya na rage wa mutane rai. Wasan yana ci gaba har...

Zazzagewa Naval Rush: Sea Defense 2024

Naval Rush: Sea Defense 2024

Naval Rush: Tsaron Teku wasa ne dabarun da zaku kare tushen sojojin ruwa. Kuna da babban tushe a cikin Naval Rush: Tsaron Teku, manufar tsaron hasumiya. Akwai wuraren da za ku iya sanya makamai daban-daban, ku sanya makamai masu sarrafa kansu don kare kanku daga maƙiyan da ke shigowa, sannan ku danna maɓallin hagu na allon don sa abokan...

Zazzagewa Case Opener Ultimate 2024

Case Opener Ultimate 2024

Case Opener Ultimate wasa ne na buɗe akwatin da aka haɓaka don CS: GO playersan wasan. A gaskiya, ba zai yiwu a bayyana shi ga mutanen da ba su san maanar bude akwati ba. A gaskiya ma, kawai waɗanda suka sani kuma suka yi wasa CS: GO za su gwada wannan wasan. Kamar yadda kuka sani, a cikin CS: GO kuna buɗe akwatuna don keɓance makamai da...

Zazzagewa Super One Tap Tennis 2024

Super One Tap Tennis 2024

wasan Tennis na Super One Tap wasa ne mai daɗi wanda a cikinsa zaku shiga cikin gasa ta wasan tennis. Duk da cewa yana da zane-zane na pixel, tabbas ina ba ku shawarar gwada wannan wasan, wanda ina tsammanin yana da daɗi sosai. A farkon wasan, za ku ƙirƙiri ɗan wasan tennis, sannan ku zaɓi birni daga menu don shiga gasar ku ta farko....

Zazzagewa Curve it 2024

Curve it 2024

Curve shi wasa ne na fasaha wanda zaku guje wa ƙwallon ta hanyar zane. Ku shirya don wasa mai ban shaawa da ƙalubale, abokaina, za ku rasa lokaci a cikin wannan wasan. Duk da haka, bari in ce kuma za ku yi fushi sosai saboda wahalar wasan yana da yawa. A cikin wannan wasan da ya ƙunshi matakai, kuna sarrafa ƙaramin ball, ƙwallon yana...

Zazzagewa Just Smash It 2024

Just Smash It 2024

Kawai Smash It wasa ne na fasaha wanda kuke harba kuma ku fasa abubuwa. A cikin wasan, kuna sarrafa madaidaicin matsakaici, wanda yake a ƙasan allon, wanda ke jefa ƙaramin ball akan allon duk lokacin da kuka taɓa shi. Ko wane bangare na allon da kuka taɓa, ƙwallon da kuka jefa yana motsawa ta wannan hanyar. Allon a hankali yana gudana...

Zazzagewa Wobble Wobble: Penguins 2024

Wobble Wobble: Penguins 2024

Wobble Wobble: Penguins wasa ne wanda zaku sarrafa zirga-zirga tsakanin penguins mara kyau. Shin kun shirya don wasan da zai rikitar da tunanin ku kuma ya buƙaci ku yi saurin tafiya? Akwai hanyoyi 4 gabaɗaya a cikin wasan, kuma duk hanyoyin 4 suna da hanyoyi biyu. A wasu kalmomi, jimlar hanyoyi 8 suna haɗuwa a tsakiyar hanyoyi kuma...

Zazzagewa Elementix 2024

Elementix 2024

Elementix wasa ne na fasaha wanda zaku ceci kananan abokan ku. Ku shirya don wannan wasan tare da raayi daban-daban, abokaina. Akwai kusan sassan 200 a cikin Elementix, wanda ke tura iyakokin ƙwaƙwalwar ajiya kuma inda yiwuwar yin kuskure ya yi yawa. Kuna yin sabon aiki a kowane babi na wasan, kuma kafin babin ya fara, ana nuna muku...

Zazzagewa Heroes Soul: Dungeon Shooter 2024

Heroes Soul: Dungeon Shooter 2024

Heroes Soul: Dungeon Shooter wasa ne mai ban shaawa inda zaku yi yaƙi da abokan gaba a cikin labyrinths. Wannan wasan, wanda kamfanin SQUARGAME ya kirkira, dubban daruruwan mutane ne suka sauke shi cikin kankanin lokaci. Kuna sarrafa ƙaramin jarumi a wasan kuma dole ne ku yi yaƙi da abokan gaba da yawa. Akwai tarko da makiya a duk...

Zazzagewa Bus Fix 2019 Free

Bus Fix 2019 Free

Bus Fix 2019 wasan kwaikwayo ne wanda zaku gyara motocin bas. Motoci suna da shaawar yawancin mu, amma wasu mutane sun fi shaawar bas. Ko da bai bambanta da mota ta alada ba, tabbas injinan motocin bas sun bambanta da daidaitattun mota. A baya mun buga wasannin kwaikwayo a rukunin yanar gizon mu inda ake gyaran motoci na yau da kullun,...

Zazzagewa A Way To Slay 2024

A Way To Slay 2024

Hanya Don Kashe wasa ne wanda zaku yi wasa tare da mutane da yawa kadai. Da farko dai, dole ne in ce wannan shi ne karo na farko da na taba ganin irin wannan raayin game, kuma a lokacin da nake bitar wasan, na buga shi kusan saa guda cikin rashin sani. Na tabbata cewa zai sa ku kamu da ita tare da raayinsa na nishaɗi kuma zai ba ku damar...

Zazzagewa Circular Defense 2024

Circular Defense 2024

Dairar Defence wasa ne na fasaha wanda zaku kare balloon akan lambobi. Haka ne, yanuwa, muna nan da wasan tsaro da ba a taɓa yin irinsa ba. An kara wani kuma a cikin wasannin tsaron hasumiyar da miliyoyin mutane ke morewa, amma yana da raayi daban-daban da sauran. Akwai balloon a tsakiyar allon kuma makamai masu lambobi a kansu sun fito...

Zazzagewa Smashy The Square 2024

Smashy The Square 2024

Smashy The Square wasa ne wanda zaku yi ƙoƙarin samun kubu zuwa taurari. Dandalin Smashy, wanda ya ja hankalin dubban mutane cikin kankanin lokaci a matsayin wasan fasaha na daban, wasa ne na jaraba da kuma kalubalantar tunani. A farkon wasan, ana nuna muku yadda ake sarrafa cube, kuna sarrafa shi gaba ɗaya ta hanyar zame shi da yatsa....

Zazzagewa Last Convoy - Tower Offense 2024

Last Convoy - Tower Offense 2024

Convoy na Ƙarshe - Laifin Hasumiya wasa ne na aiki wanda zaku isar da motocin zuwa wurin da aka yi niyya. Ina tsammanin dukkanmu mun yi amfani da mu don hasumiya wasanni a wannan karon, an buga wani nauin wasan kare hasumiya, wanda ake kashe abokan gaba ta hanyar amfani da kafaffen hasumiya da miliyoyin mutane ke bugawa. A cikin wannan...

Zazzagewa Infinite Knights 2024

Infinite Knights 2024

Knights mara iyaka wasa ne inda zaku yi yaƙi da abokan gaba tare da abokan ku. Idan kun kasance wanda ke son nauin wasan danna maballin, Infinite Knights wasa ne wanda ya kamata ku yi shakka akan naurar ku ta Android, abokaina. Wasan yana da ingancin hoto na pixel, don haka kar ku yi tsammanin gani da yawa, amma ba za ku damu da zane ba...

Zazzagewa BirdsIsle 2024

BirdsIsle 2024

BirdsIsle wasa ne na fasaha inda zaku gina wurin shakatawa na tsuntsayenku. Idan kun kasance mai son tsuntsaye kuma kuna ciyar da su, zan iya cewa wasan BirdsIsle na ku ne, yanuwa. A zahiri, wannan wasa ne mai dacewa, amma a zahiri kuna ƙoƙarin wuce matakan don haɗa duk tsuntsayen da ke cikin wurin shakatawa naku tare da maki da kuka...

Zazzagewa SMASH CHASE 2024

SMASH CHASE 2024

SMASH CHASE wasa ne mai nishadi inda zaku tsere daga hannun yan sanda. Wannan wasan, wanda Gear42 Studio ya kirkira, dubban daruruwan mutane ne suka sauke shi cikin kankanin lokaci kuma ya sami farin jini sosai. Akwai motoci da dama a cikin SMASH CHASE, kuma gudunsu ya bambanta dangane da irin motocin. Har ma kuna iya amfani da jirgin...

Zazzagewa Fix it: Gear Puzzle 2024

Fix it: Gear Puzzle 2024

Gyara shi: Gear wuyar warwarewa wasa ne na fasaha inda dole ne ku sanya duk gears su juya. A cikin wannan wasa mai kunshe da matakai da dama, kasada mai ban shaawa wacce za ta gajiyar da tunanin ku yana jiran ku, abokaina. Akwai ƙayyadaddun kayan aiki a cikin dukkan matakan, kuma akwai kuma wasu ƙafafun a kasan allon. Lokacin da kuka...

Zazzagewa Alicia Quatermain 2024

Alicia Quatermain 2024

Alicia Quatermain wasa ne mai dabarun da zaku warware sirrin kakan ku. Alicia, jikanyar Allan, wani matafiyi da ya shahara a duniya, tana zaune a wurin shakatawa wata rana sai wani mutum mai ban mamaki ya zo kusa da ita. Ya ce akwai boyayyun sirrikan bacewar kakansa don haka dole ne ya bibiyi wadannan sirrikan. Mutumin mai ban mamaki ya...

Zazzagewa Attack Bull 2024

Attack Bull 2024

Attack Bull wasa ne na fasaha inda kuke yaƙar matadors. Idan ka taba kallon fadan bijimi, tabbas ka ga cewa matadors suna zaluntar bijimai da gaske. A cikin wannan wasan wanda kamfanin 111% ya haɓaka, kuna sarrafa sa kuma kuna ƙoƙarin ɗaukar fansa akan matadors na kwanakin baya. Lokacin da kuka fara wasan, zaku tantance launi da nauin...

Zazzagewa SkidStorm 2024

SkidStorm 2024

SkidStorm wasa ne inda zaku yi tsere akan layi. Za ku shiga babbar tsere a cikin wannan wasan, wanda zaku iya taka ta kallon idon tsuntsu, abokaina. Wasannin Cheetah ne suka haɓaka shi kuma miliyoyin mutane ne suka sauke shi. Zai ɗauki ɗan lokaci kafin ku saba da tuƙi a wannan wasan, wanda ya shahara sosai a cikin ɗan lokaci kaɗan, don...

Mafi Saukewa