Challenges involving spacecraft clocks, deep-space light-time correction, concatenated error-correcting codes, Lagrange-point navigation, and flight-computer memory patching.
| # | Challenge | Points | Flag |
|---|---|---|---|
| 1 | 701-one-light-day | 50 | GAIANSPACE{FDS_3C0AB555} |
| 2 | 702-concatenated | 75 | GAIANSPACE{s0ft_v1terbi_th3n_r33d_s0l0m0n} |
| 3 | 703-lagrange-fix | 100 | GAIANSPACE{CLK_+2213481} |
| 4 | 704-dead-chip | 125 | GAIANSPACE{r3l0c4ted_ar0und_a_d34d_ch1p} |
| 5 | 705-last-readout | 300 | GAIANSPACE{405-43E-445-448-4BD} |