Here are some of the best single-player and co-op games on Steam right now, all under $20 and heavily discounted in the Winter Sale — from epic RPGs and open-world adventures to top indie hits.
If you’re looking for top single-player and co-op games on Steam this Winter Sale, here’s a tight list of must-have titles. It includes epic adventures like Red Dead Redemption 2 and The Witcher 3, story-driven hits like Mass Effect Legendary Edition and Detroit: Become Human, plus great indies like Terraria, Valheim, Stray, and Project Zomboid. All are highly rated and deeply discounted.
Check out these Steam deals under $20 that are too good to miss.
- Mass Effect Legendary Edition – $5.99 (90% off), Action/RPG, Very Positive, May 2021.
- The Witcher 3: Wild Hunt – $3.99 (90% off), RPG, Overwhelmingly Positive, May 2015.
- Hogwarts Legacy – $5.99 (90% off), Action/Adventure/RPG, Very Positive, February 2023.
- Detroit: Become Human – $3.99 (90% off), Action/Adventure, Overwhelmingly Positive, June 2020.
- Batman: Arkham Collection – $8.99 (85% off), Action/Adventure, Overwhelmingly Positive, June 2015.
- Red Dead Redemption 2 – $19.99 (80% off), Action/Adventure, Very Positive, December 2019.
- Red Dead Redemption 2: Ultimate Edition – $19.99 (80% off), Action/Adventure, Very Positive.
- It Takes Two – $7.99 (80% off), Action/Adventure, Overwhelmingly Positive, March 2021.
- Resident Evil Village – $9.99 (75% off), Action, Very Positive, May 2021.
- Sons Of The Forest – $9.29 (69% off), Action/Adventure/Indie, Very Positive, February 2024.
- Death Stranding Director’s Cut – $15.99 (60% off), Action/Adventure, Very Positive, March 2022.
- Terraria – $4.99 (50% off), Action/Adventure/RPG, Overwhelmingly Positive, May 2011.
- Valheim – $9.99 (50% off), Action/Adventure/RPG, Overwhelmingly Positive, February 2021.
- Stray – $17.99 (40% off), Adventure/Indie, Overwhelmingly Positive, July 2022.
- Peak – $4.95 (38% off), Action/Adventure, Overwhelmingly Positive, June 2025.
- Project Zomboid – $13.39 (33% off), Indie/RPG/Simulation, Overwhelmingly Positive, November 2013.
- Phasmophobia – $13.99 ( 30% off), Action/Indie, Overwhelmingly Positive, September 2020.
- Megabonk – $7.49 (25% off), Action/Indie, Overwhelmingly Positive, September 2025.
- Tiny Bookshop – $15.99 (20% off), Indie/RPG/Simulation, Overwhelmingly Positive, August 2025.
- Hollow Knight: Silksong – $15.99 (20% off), Action/Adventure/Indie, Overwhelmingly Positive, September 2025.
You have until January 5, 2026, to grab these deals, so there’s no rush, take your time choosing the games you want.
