Support
Last updated: August 27, 2026
Support for this website and for the games and applications published by UPSIDE Dariusz Majewski.
Contact
contact@upside.com.pl. Written requests are answered within two business days.
Applications
- Undercell — a pentomino logic puzzle for Android and web browsers. Deduce where the hidden shapes lie, then open them without opening an empty cell. Support · Privacy policy
- AI Santa — a generator of personalized Santa videos.
- Legal name
- UPSIDE Dariusz Majewski
- Address
- Świętej Jadwigi Śląskiej 27, 43-300 Bielsko-Biała, Poland
- VAT ID
- PL 5471980532
- contact@upside.com.pl