Popular games for collection Illvelo

Illvelo, also named Illmatic Envelope, is a vertical shmup initially released for the NAOMI arcade system by MileStone Inc. in 2008. It's mostly noticeable for its trippy level backgrounds, bizarre sound effects and wacky enemy visual designs.

The latest game in the Illvelo (Illimatic Envelope) STG Series, Developed by RS34. The game is noted for it's branching level structure and focus on surreal visuals.