Unexpected Bug 4sb4x

Help this scientist to fix his robot’s bug! try to last as long as possible, unlocking achievements and collecting upgrades in this run’n’gun retro game! 653k2n

How to Play: 554u3t

Arrow keys and “WAD” to move.
Mouse left click to shoot (if you have weapon upgrade).
Q or Shift to pause the game.
Spacebar for auto-fire. (upgrade first)
Other controls are in pause menu!