Think you're made of tougher stuff? Killer Chambers will probably test you, given how you need some seriously slick reaction times and a good memory to survive it.
The bullet hell dungeon crawler Enter the Gungeon just recently had a huge update, the last major update it will be getting as developer Dodge Roll moves onto other games.
Combining bullet-hell like gameplay with some roguelike elements, Woodpunk had a little delay in the Linux version which is now properly up and out.
Inspired by the likes of Nuclear Throne, Enter the Gungeon, Metal Slug, Golden Axe, and more Woodpunk just arrived officially on Linux.
With completely over the top action and some great tunes, the co-op musical bullet-hell game Just Shapes & Beats is now available on Linux.
Bullet hell dungeon crawler Enter the Gungeon has levelled up with a huge new free content expansion with the Advanced Gungeons & Draguns update.
For those in the mood for twin-stick madness but your wallet is empty, you might want to check out Clawface which is completely free and has Linux support.