If you find you have become interested in that kind of retro cave exploration game with very high difficulty coefficient after playing Spelunky, then La-Mulana (ラ・ムラーナ) will be another good play for you.

Bomberic 2 is a Bomberman inspired (maze-based) small game but with more new originality and strong operability. You tend to avoid attacks ceaselessly in the game, and place bombs to the appropriate path to destroy the closely folloing enemies. At the same time, remember to make good use of various pitfalls in the game.

Pekka Kana 2 (Pekka the Rooster 2) is a very old but classic cartoon style side-scrolling jump 'n run free game released in 2003, which is mainly inspired by many classic video games, including Super Mario, Sonic the Hedgehog, Jazz Jackrabbit, Super Frog and so on.

Fragile Ball is a physics based, with simple idea but stimulating challenge action puzzle ball game.

ZOODomino is an authentic match-elimination style casual puzzle game based on zoo animals. It can be regarded as the quality work in similar domino-link games.