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Z

DESCRIPTION | POKE(s)
Infinite lives | 41286,182

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Z-Fred

DESCRIPTION | POKE(s)
Infinite lives | 27402,48:27406,0

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Z-Man

DESCRIPTION | POKE(s)
Infinite lives | 28809,0

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Zamonarr

DESCRIPTION | POKE(s)
Infinite lives | 30562,0:34590,0:31835,0
Immunity to soldiers | 34582,24
Immunity to big nasties | 31810,201:31818,201

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Zarjas

DESCRIPTION | POKE(s)
Infinite Energy | 30230,183:30256,183

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZARJAZ.Z80
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Zaxxan

DESCRIPTION | POKE(s)
Infinite Lives | 50244,183

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZAXXAN.SNA
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Zaxxon

DESCRIPTION | POKE(s)
Infinite Lives | 33170,182
Lives player 1 = x | 32961,x (x = 1-255)
Lives player 2 = x | 32973,x (x = 1-255)

Note that you setting lives=x to more than 5 starts messing up the status panel
LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZAXXON.SNA
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Zebbedy

DESCRIPTION | POKE(s)
Infinite lives | 26340,48:26344,0

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Zenji

DESCRIPTION | POKE(s)
Infinite Lives | 35731,0
Infinite Time | 38281,0

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZENJI.SNA
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Zhak

DESCRIPTION | POKE(s)
Infinite Lives | 27868,0

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZHAK.SNA
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Zig Zag

DESCRIPTION | POKE(s)
Infinite bonus | 43802,0

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Zipper Flipper

DESCRIPTION | POKE(s)
Unlimited balls (a Microsoft press release? Ed) | 52153,0

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Zip Zap

DESCRIPTION | POKE(s)
Infinite Energy | 53750,183:54141,183
Infinite Time | 54038,0

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZIPZAP.SNA
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Zodiac Strip

DESCRIPTION | POKE(s)
Infinite guesses | 26856,0
Always guess right | 26873,24

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Zoids

DESCRIPTION | POKE(s)
No Power Loss | 53613,0
Infinite Missiles | 55781,191
Infinite Bullets | 54653,0
Infinite Damage | 55013,24

I can only guess if this POKE works, as it was easier putting the toys together than playing this. (It was more fun too!)
LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZOIDS.SNA
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Zolyx

DESCRIPTION | POKE(s)
Infinite Time | 50476,0
Infinite Lives | 50800,0

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Zombie Zombie

DESCRIPTION | POKE(s)
Infinite ammo | 34804,0
Zombies don't attack | 36603,58

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Zombies

DESCRIPTION | POKE(s)
Infinite Lives Player 1 | 29553,0
Infinite Lives Player 2 | 29565,0
Lives Players 1 & 2 = x | 30146,x (x= 1-255)

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZOMBIES.SNA
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Zone M

DESCRIPTION | POKE(s)
Infinite Lives | 25588,0
Immunity | 25581,24:25582,251

If anyone finds out if this works, let me know
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Zorro

DESCRIPTION | POKE(s)
Infinite Lives | 53729,0

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZORRO.SNA
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Zub

DESCRIPTION | POKE(s)
No Enemies | 37473,201
Infinite Energy | 45941,183:46092,183:46210,183
Start level = x | 36050,x (x = 1-10)

I don't know whether this is just an incompatability with ZXAM 2.0b, or maybe a dodgy copy, but if you hit the barrier (with or without the POKE), you will be stuck there and you have to reload the game!
LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZUB.SNA
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Zybex

DESCRIPTION | POKE(s)
Infinite lives | 45277,0:45368,0

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Zynaps

DESCRIPTION | POKE(s)
Infinite Lives | 45425,182
Immunity | 39775,201

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Zythum

DESCRIPTION | POKE(s)
Lives = x | 52503,x (x = 1-255)
Infinite Lives | 54786,183
Bombs = x | 52508,x (x = 1-255)
Infinite Bombs | 51270,30
Infinite Time | 56498,0
No Enemies | 54410,201

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZYTHUM.SNA
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Zzoom

DESCRIPTION | POKE(s)
Infinite Lives | 24743,0

LOAD FROM RETRO GOLD ... retro:games/spectrum/z/ZZOOM.SNA
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