Arithmetic
Playing now
1+1 vs. yesterday
33%of peak
All-time peak
310 Sep 2026
Update history
A permanent record of every observed change.
Playing now
1+1 vs. yesterday
All-time peak
310 Sep 2026
A permanent record of every observed change.
| Status | Key | Previous value | New value |
|---|---|---|---|
| Added | ACHIEVEMENT_1 | — | Complete Level 1 — Complete Level 1 |
| Added | ACHIEVEMENT_10 | — | Complete Level 10 — Complete Level 10 |
| Added | ACHIEVEMENT_11 | — | Complete Level 11 — Complete Level 11 |
| Added | ACHIEVEMENT_12 | — | Complete Level 12 — Complete Level 12 |
| Added | ACHIEVEMENT_13 | — | Complete Level 13 — Complete Level 13 |
| Added | ACHIEVEMENT_14 | — | Complete Level 14 — Complete Level 14 |
| Added | ACHIEVEMENT_15 | — | Complete Level 15 — Complete Level 15 |
| Added | ACHIEVEMENT_16 | — | Complete Level 16 — Complete Level 16 |
| Added | ACHIEVEMENT_17 | — | Complete Level 17 — Complete Level 17 |
| Added | ACHIEVEMENT_18 | — | Complete Level 18 — Complete Level 18 |
| Added | ACHIEVEMENT_19 | — | Complete Level 19 — Complete Level 19 |
| Added | ACHIEVEMENT_2 | — | Complete Level 2 — Complete Level 2 |