Adorables is a 2D game with 3v3 teams which has various minigames, is based on turns where you can move your 3 players like your opponent.

This game is about a spaceship where you perform missions and you face different enemies so you should upgrade your ship as soon as possible.

Garry's Mod (a.k.a GMod) is a Sandbox moddable game, it have a long list of stuff of ANYTHING in the WorkShop, so you can found anything you want.

GameGuru it's a basic program of game creation for "newbies" because it's easy to use, and very complete.