I have fond memories of Breakout as a child, my son even has a rather low quality version on his 'kids camera' and Puppet Kings is an interesting take on it.
PAWARUMI is a modern take on the classic shoot 'em up formula, with explosive visuals and explosions literally everywhere. As of today it's officially on Linux.
River City Ransom: Underground released for Linux originally in February, sadly the developer said they would send over a review key and never did. Now it's available on GOG so I've had a chance to take a look.
The Crowded Party Game Collection, a game where you and up to 10 friends can take on 7 arcade-inspired mini games. The key thing here, is that you can use an iOS, Android or Windows phone device as a gamepad.
If fighting hordes of enemies with fancifully implausible-but-shooty ranged and melee weapons is what you desire in life, Woodpunk might satiate the need. The developers have recently announced Linux support and are looking for enough votes on Greenlight to proceed.
After chatting privately with the developers of Hyper Sentinel to give them some advice, they have now put up their official Linux demo and they have also hit their funding goal on Kickstarter.
NEXT JUMP: Shmup Tactics sounds like an interesting game. It's done in the style of old shoot 'em up games, but turned into a turn-based strategy. A tactical shoot 'em up, if you will.
Neon Drive was sent in by GOL reader Cybolic as they have officially released their Linux version. The developers say it will make your brain melt and they aren't wrong.