Black Annex, an action strategy game developed entirely in QBASIC
Duet, an iOS arcade shooter from Kumobius, the creators of Bean's Quest
Fractured Soul, Endgame's dual-world action platformer, and
Influx, an action puzzler where you control a mysterious sphere
If you like the look of these other games, be sure to help 'em out by upvoting them on their Greenlight pages below: Black Annex Bean's Quest Fractured Soul Influx Well, except for Antichamber. You can buy that right now.