challenge-mission-gate.md section 5.3 left a marked 🟡 on the exact pairing and named
the right route: read the record's binary index section rather than the string pool.
Running that with the corpus's own reader settles all six missions at once.
TimeAttack MISSION_ID 24 REQUIREMENT 16 RECORD_TYPE Time
ScoreAttack MISSION_ID 25 REQUIREMENT 24 RECORD_TYPE Points
Extra01 MISSION_ID 26 REQUIREMENT 25 RECORD_TYPE Points
Extra02 MISSION_ID 27 REQUIREMENT 26 RECORD_TYPE Time
Extra03 MISSION_ID 28 REQUIREMENT 27 RECORD_TYPE Time
Extra04 MISSION_ID 29 REQUIREMENT 28 RECORD_TYPE Points
Control: the table appears in 6 pak entries, all in tables.pak, and all six are the
same table byte for byte - one per language, i.e. one user under the per-pak copy
rule. Zero variants.
Three things fall out, none of them assumed. MISSION_ID is the stage number: the six
IDs are 24-29 in slot order, exactly the six challenge stages S24-S29, bijectively -
so the "four Extra0n modes against five _EXn stages" worry dissolves, because _EXn is
a unit-variant suffix that indexes nothing here. REQUIREMENT is a strict chain, 16,
24, 25, 26, 27, 28, each mission requiring the previous one's stage with TimeAttack
anchored on stage 16, the final story mission; 5.3 inferred a chain from the shape of
the string pool, and it is now exact and branchless. RECORD_TYPE is the leaderboard
metric and it is per-stage, not per-name: 3 Time (S24, S27, S28) and 3 Points (S25,
S26, S29), so the tempting reading that the Extra0n family shares one metric is
wrong - Extra01 and Extra04 are Points while Extra02 and Extra03 are Time.
Withdrawn from 5.3: the string-pool reading listed the numeric tokens as 16, 25, 26,
27, 29 with 24 and 28 deduped away. The real REQUIREMENT set is 16, 24, 25, 26, 27,
28 - 29 is a MISSION_ID, never a requirement. A value pulled from a deduped pool by
adjacency got one member wrong; the indexed read has no such failure mode.
Left as an association rather than a proof: RECORD_TYPE takes exactly the two values
Points and Time, and result-screens names two ranking screens POINT_RANKING and
CLEAR_TIME_RANKING, but no code path has been shown selecting one screen from that
field.
All seventeen artefacts byte-identical.