The Caffeine Rush perk icon from Aisle Zero: Living Leftovers

Perk

Caffeine Rush

Vibrating with power. +20% attack speed.

Rare Stacks up to 5x

What it does

Vibrating with power. +20% attack speed.

Play Aisle Zero free

Vibrating with power. +20% attack speed.

How often you can take it

It can be taken up to 5 times in one run.

Where it comes from

Caffeine Rush is a rare perk, offered between waves alongside the other cards. Rarer perks appear less often but pull more weight when they do.

Perks are offered between waves. See how they fit into a run on the game page, or browse the rest of the perk list.