A point-and-click adventure game with stunning hand-drawn art and clever puzzles.
OldGamesDownload is a great resource for older titles that are naturally small in size.
Sites like Steam often list the "Disk Space" required. Many indie gems are naturally under 400MB without needing extra compression.
A spaceship simulation roguelike that puts you in command of a crew trying to save the galaxy.
These titles are renowned for delivering deep gameplay despite their small footprint:
