GOG
1549950472 UBOAT - Supporter Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USSteam
app/3129990 UBOAT - Supporter Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USsub/1111436 UBOAT - Supporter Pack DLC AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, US