Rubrikiko: income, cost and how to get it
Formula follows the wiki's worked examples. Not verified in game.
By base income it is number 67 of 338 Secret brainrots with a stated income on the wiki, where 1 is the highest and ties share a rank. It pays for itself in 4.8 min with no mutation. The wiki names: Backrooms Event.
Rubrikiko facts
| Rarity | Secret |
|---|---|
| Income per second | $70M/s |
| Cost | $20B |
| Payback time | 4.8 min |
| Rank among Secret | 67 / 338 |
| Released | Update 50, May 9, 2026 |
| Availability | obtainable |
| Comes from | Backrooms Event |
| Wiki notes | exclusive to an event |
Rubrikiko income with mutations
| Mutation | Multiplier | Income per second |
|---|---|---|
| Default | 1x | $70M/s |
| Gold | 1.25x | $87.5M/s |
| Diamond | 1.5x | $105M/s |
| Rainbow | 10x | $700M/s |
| Cyber | 11x | $770M/s |
| Eclipse | 14x | $980M/s |
| Eclipse + Fire + Nyan | 24x | $1.68B/s |
Multiplier = mutation + traits, income = base x multiplier. Fire and Nyan are 5x each. 15 mutations exist; the table shows the main ones.
Nearby brainrots
- Next higher income in Secret: Bearito Cabinito ($72.5M/s)
- Next lower income in Secret: Guest 666 ($66.6M/s)
Brainrot income list · Calculate with Rubrikiko · Traits and mutations
Questions
Is Rubrikiko limited in any way?
Rubrikiko has a base income of $70M/s. The wiki marks it obtainable. The wiki describes it as: exclusive to an event. It came in Update 50 on May 9, 2026.
Where does Rubrikiko come from?
For Rubrikiko, the wiki names: Backrooms Event. It arrived in update 50 (May 9, 2026).
When was Rubrikiko released?
The wiki lists Update 50, which went live on May 9, 2026.
Source: Steal a Brainrot Wiki: Rubrikiko (rev 168691, Aug 4, 2026), Update Log (rev 188265, Oct 11, 2026). Licence: CC BY-SA 3.0. Facts were restructured and the numbers recalculated here; the text is our own and no wiki images are used. Changes were made. Checked Oct 15, 2026. Not affiliated with Roblox Corporation or the developers of Steal a Brainrot.