GOG
1207658801 Red Baron Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USIndieGala Store
263940 Red Baron Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USred-baron-packSteam
app/263940 Red Baron Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USsub/34230 Red Baron Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, US