World 11 in +1 Stone Skipping requires 160QAD skill to throw, and the Hacker Event treadmill rapidly builds skill toward that requirement.
The game has an event named WORLD 11 + ADMIN ABUSE. This guide covers its unlock route, the throwing requirements for nearby worlds, and both scheduled November events.
How to unlock World 11 in +1 Stone Skipping
The Playtime Rewards menu offers skill rewards alongside wins, eggs, and skill, win, and luck boosts. Available rewards display a Claim button; some rewards have countdowns.
Start training on the green treadmill
Step onto the green Hacker Event treadmill to build skill. It provides a 75000000x SKILL multiplier.

Read World 11’s requirement
Open Worlds and find World 11. Its entry displays LOCKED and the condition THROW WITH 160QAD, identifying the skill target you need to reach.

Continue training toward 160QAD
Return to the Hacker Event treadmill and keep training until you reach 160QAD skill. You can also collect available skill rewards through Playtime Rewards.

Unlock World 11
Once you have at least 160QAD skill, unlock World 11.
What skill do Worlds 8, 9, and 10 require in +1 Stone Skipping?
| World | Skill required to throw |
|---|---|
| World 8 | 400NO |
| World 9 | 33UD |
| World 10 | 2.4TD |
For World 7, the throwing requirement is 600C skill.
When are the World 11 and World 12 Admin Abuse events?
| Event | Starts (UTC) | Ends (UTC) |
|---|---|---|
| WORLD 11 + ADMIN ABUSE | 14 November 2026, 17:00 UTC | 16 November 2026, 17:00 UTC |
| WORLD 12 + ADMIN ABUSE | 21 November 2026, 17:00 UTC | 22 November 2026, 17:00 UTC |
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