In cs 1.5 hacks category you will find many popular cheats like a wallhack (wh), aimbot (ab), esp, speedhack (sh), autoshoot (aim), autoaim, bunnyhop, no-recoil and more.
CS 1.5 is in addition to the game Half-Life. Today it is not supported, but you can still play it on LAN with friends. Game rules are fairly simple: all users are divided into two teams (terrorists and anti-terrorists) and depending on some maps we have to do something, while others have to stop us. Sometimes it comes to a bomb, and sometimes a reflection of the hostages. In addition, the authors prepared a set of specialized weapons and maps and a completely new character models.