Space to upgrade (cost 50, 100, 200, and it repeats) E for abilitys Q to throw a Grenade/Grenades *later levels* Z to heal (level 10) Update V1.00 Released Update V1.05 Added Plague doctor boss, Nerfed bombs, New cloaker zombie Update V1.06 buffed Plague Doctor, Bug fixes Update V1.10 Redesigned Plague Doctor, Cowboy, Boss1, Boss2 Update V1.11 Buffed Plague Doctor, Nerfed Cloaker, New upgrade, Mutated, Small, and Mystery released, waves will now go up to wave 10, or should go up to wave 10. Update V1.13 Added Boss3 probably going to be annoying if we add another mystery. Bug Fixes Update V1.20 Added Sharpshooter, New filler enemies, 15 Waves, Buffed Plague Doctor, and New Sounds Update V1.21 Bug fixes Update V1.25 Added Boss 4, New Level added Update V1.35 Bug fixes, Buffed Rotten, Fixed Agent Update V1.50 Assault Boss
30 waves, you are not expected to survive this I have no idea where these sounds came from but I would assume from Roblox.
