Space Evader. Simple game where the player needs to evade lasers shot by an alien mothership.

Laserz. A multiplayer (1-8 players) platformer game. Kill other players with lasers!

Curse of Undeath. A sidescrolling game where the player is a skeleton that's been transported a long way from his grave, and all he wants to do is to go back home.

Break the Ice. Shoot floating words to form a sentence.

Bouncer. A sidescroller game where the player needs to bounce a ball in order to survive.

Sword in the Sand. A singleplayer RPG game. The player has a special sword and cloak, wakes up in the middle of the desert.

dm_q3dm6. Quake 3 map, q3dm6, remade from scratch in Source SDK.