GOG.com has numerous classic and modern RPG on sale for up to 90% off.
- Pathfinder: Kingmaker – Imperial Edition Bundle – $13.25, 66% discount
- Sacred Gold – $2.49, 75% discount
- Sacred 2 Gold – $3.74, 75% discoun
- Baldur’s Gate: Enhanced Edition – $5.99, 70% discount
- Baldur’s Gate II: Enhanced Edition – $2.99, 85% discount
- Icewind Dale: Enhanced Edition – $5.99, 70% discount
- Divinity: Original Sin – Enhanced Edition Collector’s Edition – $24.49, 65% discount
- Divinity: Original Sin 2 – Definitive Edition – $17.99, 60% discount
And many more.
https://www.gog.com/partner/rpg_celebration