Here are 8 zombie themed game demo’s available in the steam store.
Games list:
00:05 HumanitZ
Demo link: https://store.steampowered.com/app/1766060/HumanitZ/
00:54 Paradize Project
Request playtest access: https://docs.google.com/forms/d/e/1FAIpQLSewCI4JemeNuBUL-0uJsof2sW9eSYbkPEfSsCrER4YcV7NOjQ/viewform
01:25 Stamp
Demo link: https://store.steampowered.com/app/1827970/STAMP/
02:16 last of Humanity
Reuqest playtest access: https://store.steampowered.com/app/1947470/Last_of_Humanity/
03:14 Passed Out
Demo link: https://store.steampowered.com/app/2146790/Passed_Out_Prologue/
03:53 HVOR: Confrontation
Request playtest access: https://store.steampowered.com/app/1478200/HVOR_Confrontation/
04:35 Outbreak Island Pendulum
Demo link: https://store.steampowered.com/app/1804630/Outbreak_Island_Pendulum/
05:09 Vein
Demo link: https://store.steampowered.com/app/1857950/VEIN/
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I have to say, none of these really look all too good to me.
Passed out would be an awesome one if it wasn't a battle royale…
Should be like WarZ "iss" or H1Z1 Just Survive. Open world, explore, loot etc.