The temptation is to max out one stat and dump the rest — resist it, since a balanced build consistently outperforms a lopsided one once challenges get varied.
MouseInteract / Aim
Left Click / TapPrimary action
TouchFull mobile support
PPause game (where supported)
01
Match your loadout to the specific challenge type when that option is available, rather than using one build for everything.
02
Compare part stats directly rather than assuming a newly unlocked part is automatically better.
03
Save currency for one complete upgrade instead of spreading it thin across several small ones.
No — this stands alone with no required prior save.
Check the in-game shop/reward system — most versions tie unlocks to challenge completion.