Ramonson
Complete Level 4 without utilizing any registers
Ultra rare0.000%last reported global rate
Steam
SAYONARA++ Achievements
Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.
Total achievements31
Rarest rate0.000%
Ultra rare1
Last checkedOct 12, 2026
Delayed official data
Rates and award counts were last observed on Oct 12, 2026.
Speedrunner
Complete Level 8 in 65 Terra Pulses or less
Rare12.5%last reported global rate
The Four-Opcodes Solution
Complete Level 2 using exactly 4 opcodes
Rare12.5%last reported global rate
True Ending
You betrayed The Core
Rare12.5%last reported global rate
Ward 21: Chuo
UNL0CK_CHU0_BUNK3R
Rare12.5%last reported global rate
Ward 22: Minato
P3NULT1M4T3_M1N4T0
Rare12.5%last reported global rate
Ward 23: Chiyoda
0.00%_V1T4L1TY_CHIY0D4
Rare12.5%last reported global rate
Zero-Latency Logic
Complete Level 2 without using any Mecha CPU ticks
Rare12.5%last reported global rate
Perfect Dozen
Complete Level 2 in exactly 12 Terra Pulses
Uncommon25.0%last reported global rate
Running on Empty
Complete Level 2 with 0 energy remaining
Uncommon25.0%last reported global rate
Ward 10: Toshima
T3RM1N4T3_T0SH1M4
Uncommon25.0%last reported global rate
Ward 11: Bunkyo
BYP4SS_BUNKY0
Uncommon25.0%last reported global rate
Ward 12: Taito
CL34R_T41T0_GR1D
Uncommon25.0%last reported global rate
Ward 13: Sumida
ST3R1L1Z3_SUM1D4
Uncommon25.0%last reported global rate
Ward 14: Koto
F0G_SW33P_K0T0
Uncommon25.0%last reported global rate
Ward 15: Shinagawa
R4M_TR4P_SH1N4G4W4
Uncommon25.0%last reported global rate
Ward 16: Meguro
TR14NGUL4T3_M3GUR0
Uncommon25.0%last reported global rate
Ward 17: Ota
P#RG3_0T4_V4ULT
Uncommon25.0%last reported global rate
Ward 18: Setagaya
C0LD_S3T4G4Y4
Uncommon25.0%last reported global rate
Ward 19: Shibuya
4B4TT01R_SH1BUY4
Uncommon25.0%last reported global rate