Minesweeper meets RPG.
Kongregate free online game Manufactoria - Manufactoria is a puzzle game about putting robots in their proper place. Use conveyor-belts, .... Play Manufactoria

All Vectorpark games are wonderful: https://vectorpark.itch.io
This excellent game is still playable with Flashpoint
Elements is a free fantasy online game. Hundreds of creatures, spells, magic and artifacts to play with
This excellent game is still playable with Flashpoint
In Karoshi games the goal is to die. This is not as easy as it sounds. Killing yourself was never so difficult, and never so much fun!
The blog of the game developper who made the excellent The Triumph of Time : http://eriatic.wikidot.com/game:triumph
The Triumph of Time is a realtime puzzle/strategy game about defending space against an advancing cloud of antimatter. The original version of this game was done for the 14th Ludum Dare 48 hour game programming competition, where it placed 5th out of a good 120 entries. This is a greatly expanded version with a tutorial, more levels, more polish, and a level editor.
Extra map pack by your servitor: http://eriatic.wikidot.com/blog:triumph-mappack