Kick Ass Commandos is a retro-style, fast-paced shoot 'em up small indie game developed (using Unity) and published by Anarchy Enterprises. The whole game uses the classic pixel style, comes with addictive and stimulating operations, as well as explosive scenes everywhere and driving rhythm. All of these do bring a lot of fun to 2D shooting game fan players.
Aseprite (full name: Allegro Sprite Editor) is a lightweight application dedicated to making pixel-style animation. Its function is basically like similar software, such as brush, onion skin, animation frame editor, etc. Here, AppNee recommends 2D pixel/retro style game character designers to try it.
Serpent in the Staglands is a classic RPG type indie game with retro & pixel style produced and released by Whalenought Studios. The game background was set in a period of wizard fever in the ancient Europe. At first glance, it is so outdated, of course, but when go deep into the gameplay, you will find the game content it contains is even much larger than today's many huge RPG game works.
Rogue's Tale is a small 2D A-RPG indie game developed by nibbe. Very high difficulty and time consuming are its two striking features, which also cause it grossly underestimated, but this does not affect the fact it is a superb work with a pretty high playability (such as numerous kinds of dead methods making players impressed).