- Castlevania: The Bloodletting - auto-include, but this one is classic all the way.
- Demolition Gunner - is a top-down shmup with some professional looking artwork.
- Guardian of Paradise - is an action RPG in the Zelda vain - win.
- Alien Breed: Obliteration - classic top-down, old-school shooter.
- Shotgun Fun Fun - blood n' guts, sidescrolling Abuse-type gameplay.
- Blasting Agent - pixelly retro platformer with powerups and boss battles.
- Attack of the Paper Zombies - stylistic, actiony RTS in the Darwinia vein.
- Arc Aether Anomalies - Descent-style FPS meets innerspace asteroids.
- Akuji the Demon - older but fantastic metroidvania platformer.
- 10800 Zombies - over the top, stick figure gorefest platforming shooter.
- An Untitled Story - true platformer with some great gameplay.
TIGSource Indie Compilation
TIGSource has an interactive YouTube Video compilation of 425 Indie titles in two installments. Each game is about a three second clip with a caption that can be clicked on to show you some expanded gameplay. The second video contains many that are not released yet, but it's worth your time to take a look. Here is a list of my favorites to check out: