Drop a ROM to see which game and version it is, and whether the companion can read it. The file is checked right here, in your browser. It's never uploaded.
SUPPORTED GAMES
What works in each game
GAMEPARTYBAGBATTLEMAPDEXGUIDE
YellowGAME BOY USA/Europe
FireRedORIGINAL USA/Europe, rev 0 and 1
FireRedORIGINAL ES / DE / FR / IT / JP
LeafGreenORIGINAL USA/Europe, rev 0 and 1
LeafGreenORIGINAL ES / FR / IT / JP
EmeraldORIGINAL USA/Europe
EmeraldORIGINAL ES / DE / FR / IT / JP
RubyORIGINAL USA, rev 0, 1 and 2
RubyORIGINAL ES/DE/FR/IT/JP, rev 0-1
SapphireORIGINAL USA, rev 0, 1 and 2
SapphireORIGINAL ES/DE/FR/IT/JP, rev 0-1
UnboundROM HACK 2.1.1.1
Radical RedROM HACK 4.1
GaiaROM HACK 3.2
OdysseyROM HACK 4.1.1
Heart and SoulROM HACK 2.0.6
AmethystROM HACK 1.3.0, 1.4.1
Celia's Stupid RomhackROM HACK 1.1.4
LazarusROM HACK 2.0
Emerald SeaglassROM HACK 3.0
Too Many Types 2ROM HACK 1.5.2
Emerald RogueROM HACK 2.2.1-EX
SoulGoldROM HACK 1.1.4, 1.2 (two builds)
WORKS PARTLY NOT YET
Any Game Boy, Color or Advance game plays; the companion needs one of these, in the exact version listed. MAP partly = place names without the map picture. BATTLE partly = the battle panes work but haven't been checked in every kind of battle.
EXACT VERSIONS
The builds the companion knows
ROM hacks are recognised by the whole file's SHA-1, so another version of the same hack needs its own support.
ROM HACKS
Amethystv1.3.0
Amethystv1.4.1
Celia's Stupid Romhackv1.1.4
Emerald Roguev2.2.1-EX
Emerald Seaglassv3.0
Gaiav3.2
Heart & Soulv2.0.6
Lazarusv2.0
Odysseyv4.1.1
Radical Redv4.1
SoulGoldv1.1.4
SoulGoldv1.2
SoulGoldv1.2b
Too Many Types 2v1.5.2
Unboundv2.1.1.1
ORIGINAL GAMES
Retail dumps. FireRed and Emerald also cover the FireRed / Emerald QoL builds.