very good indie game if you like it please support the developers and buy it 
http://nuclearthrone.com/
available on steam and the humble store

CHANGELOG:
    Features
    Little art details have been added to some of the tilesets. Expect bits of grass and clams, the usual really.

    Balancing
    Changed Throne Butt for Steroids.
    Steroids now also has all weapons fully automatic as their passive.
    Getting decapitated as Chicken now lowers your max HP by one, but there are some ways to get it back!
    Eagly Eyes now also lets you see a bit further.
    Extra Feet now makes you walk normal on all surfaces.
    Frog Eggs now have more HP.
    Melting's Ultra now requires enemies to have slightly less HP.
    Eyes' Ultra radius has been increased slightly.
    Nukes now have a smaller hitbox, allowing for better maneuvring.
    Shotgun masks are now slightly different, and Shotgun Fingers should work slightly different.
    Sawed Off Shotgun now has more range, less accuracy.
    Shotgun, Double Shotgun and Sawed Off Shotgun rate of fire has been increased slightly.
    Plant's Snare now stops toxic gas.
    Toxic Barrels now have bigger explosions.
    Golden Weapons now only appear after looping.

    Fixes
    Enemies should no longer get stuck in walls, hopefully.
    Rogue's Ultra now works as planned.
    Fixed a crash caused by Weapon Chests.
    Fixed a crash caused by mutating too much.
    Breaking a single wall now makes the floor look broken.
    Toxic Launchers now always spawn toxic gas.
    Chicken Sword no longer spawns when you get to difficulty 99. :P
    Rebel B skin now looks cool from 5_1 instead of 5_2.
    Big Rad Canisters can't be infested anymore.
    Shells should no longer go through walls.

    Misc
    Eyes' Ultra is now explained better.
    Rogue Ammo canisters can now be "opened" by Portals.
    New bone pile prop.
    Art for the horrific boss waiting in loop has been updated.
    A new rare tip has been added