Racer by hang-on is a very simple racing game for the Sega Master System. Just make sure you do not collide with other cars getting in your way. Read more about Racer v1.12 (Master System Game)
Gaudream is a Flappy Bird style game for the Sega Master System. It has been developed by DanySnowman (Graphics), Davidian (Sound) and Kusfo (Code). It got recently updated and is now at version 0.04. Read more about Gaudream v0.04 (Master System Game)
The guys from Retroguru seem to have some time on their hand and released a GameCube port of Sqrxz 2 - Two seconds until death. If you like very difficult jump'n run games, this might be for you! Read more about Sqrxz 2 v1.00 (GC Game)
Demo Pills 4 Your Brain for NES by Digital Sounds System is an Invitro released at Revision 2015. It's the invitation demo to Nordlicht 2015, which will happen in Bremen/Germany sometime soon. Read more about Demo Pills 4 Your Brain (NES Invitro)
smoJnetu by Indigo is an Android demo released at The Gathering 2015. Competing in the "combined demo/intro competition" it ranked 3rd. Read more about smoJnetu (Android Demo)
Sqrzx 3 by Retroguru is a pretty insane Jump'n Run Game with puzzle elements. Make sure your mind works faster than a thunder and your fingers should be even faster than that. Ported to GameCube by Oibaf, a Wii version exists as well along with plenty of other ports. Read more about Sqrxz 3 v1.05r (GC Game Port)