FearLess Cheat Engine

Infinite ammo (+bombs)
God mode
One hit ko
Every ingame cheat with one click.

The giveall, killall, refresh and tellall if ya really need them need to be click withot the game going on the pause menu. A alt tab or hotkey will works.

well, perhaps you can just write for serious sam fusion 2017 beacuse it contains all the versions of it.

I nearly did but anyways i think it's the hd versions and 3. i got revolution instead.