Underc0de Day 2026 · October 12
Capacity Rushchallenge
Choose a task, then assign a plan with enough capacity. You have 60 seconds.
I just want to join
Underc0de Day: signing up enters you in the draw for 3 months of Pro. Terms
Capacity Rush challenge: the best score at 19:30 wins 1 year of Pro. Play →You’re on the list.
You’re already on the list.
That’s a complete signup.
We’ll email you when early access opens.
A confirmation email is on its way. If you don’t see it in a few minutes, check your spam folder.
We’ll email you when early access opens.
You’re also entered in the Underc0de Day draw.
Official logins only. SubRabbit never stores, sees or proxies your tokens. Zero telemetry.
Only for SubRabbit early access. Delete anytime: hello@subrabbit.comFor SubRabbit early access and, if you enter, the draw. Delete anytime: hello@subrabbit.com
How to play
Choose a task
Each task has a cost and expires in 6 seconds.
Assign a plan
Use a plan with enough capacity. Each success earns points and a combo bonus.
Watch the resets
Each plan regains capacity when it resets. You have 60 seconds.
Your details to play
Choose a task, then assign a plan with enough capacity. You have 60 seconds.
Registering to play adds you to the waitlist. View terms
Tasks
Choose a taskThe next task will arrive in a moment
Plans
CapacityGet ready
3Capacity Rush · 60 s
Run complete
0
Score
0 completed0 lost
- Rank
- —
- Best score
- —
You’re already on the SubRabbit waitlist.