Best Online Co-Op Games on Steam (for Mac OS)

Steam currently has 6,257 Online Co-Op games, but not all of them are able to be played on Mac. Explore our list of the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Online Co-Op game rankings were last updated on 12/9/2024.

Looking for more? Explore other lists such as:

1. Terraria

Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

Terraria banner

Terraria holds the #1 spot for "best Mac OS Online Co-Op game on Steam" with a Player Score of 97. Its score was calculated by analyzing a total of 1,353,651 reviews on Steam. This breaks down to a total of 1,320,003 positive reviews and 33,648 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $9.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $9.99
Release Date 5/16/2011
Developer Re-Logic
Publisher Re-Logic
Steam App Id 105600

2. Bloons TD 6

The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.

Bloons TD 6 banner

Bloons TD 6 has achieved a Player Score of 96, placing it in the #2 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 338,179 reviews on Steam. This breaks down to a total of 329,098 positive reviews and 9,081 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $4.19 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Bloons TD 6 on the Steam Deck (though some functionality may be limited).

Steam Price $4.19
Release Date 12/18/2018
Franchise Ninja Kiwi Games
Developer Ninja Kiwi
Publisher Ninja Kiwi
Steam App Id 960090

3. Baldur's Gate 3

Baldur’s Gate 3 is a story-rich, party-based RPG set in the universe of Dungeons & Dragons, where your choices shape a tale of fellowship and betrayal, survival and sacrifice, and the lure of absolute power.

Baldur's Gate 3 banner

Baldur's Gate 3 has achieved a Player Score of 96, placing it in the #3 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 697,756 reviews on Steam. This breaks down to a total of 676,067 positive reviews and 21,689 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $59.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $59.99
Release Date 8/3/2023
Franchise Larian Studios
Developer Larian Studios
Publisher Larian Studios
Steam App Id 1086940

4. Garry's Mod

Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

Garry's Mod banner

Garry's Mod has achieved a Player Score of 96, placing it in the #4 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 1,119,331 reviews on Steam. This breaks down to a total of 1,083,187 positive reviews and 36,144 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $9.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Garry's Mod on the Steam Deck (though some functionality may be limited).

Steam Price $9.99
Release Date 11/29/2006
Developer Facepunch Studios
Publisher Valve
Steam App Id 4000

5. tModLoader

Dig, Fight, and Build your way through the world of player-created mods on Terraria with tModLoader - this DLC makes modding Terraria a reality!

tModLoader banner

tModLoader has achieved a Player Score of 96, placing it in the #5 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 286,703 reviews on Steam. This breaks down to a total of 278,430 positive reviews and 8,273 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is completely free to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play tModLoader on the Steam Deck (though some functionality may be limited).

Release Date 5/16/2020
Developer TML Team
Publishers
Steam App Id 1281930

6. BattleBlock Theater®

Welcome to BattleBlock Theater! You’ve got no where to go but up...on stage. Play single player or co-op to free your friends and save Hatty Hattington! Jump, solve and battle your way through a mysterious theater inhabited by highly technological felines.

BattleBlock Theater® banner

BattleBlock Theater® has achieved a Player Score of 96, placing it in the #6 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 71,022 reviews on Steam. This breaks down to a total of 69,050 positive reviews and 1,972 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $14.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $14.99
Release Date 5/15/2014
Franchise The Behemoth
Developer The Behemoth
Publisher The Behemoth
Steam App Id 238460

7. Just Shapes & Beats

"Just Shapes & Beats" is a chaotic co-op musical bullet-hell based on three simple things: avoid Shapes, move to the kick-ass Beats, and die, repeatedly.

Just Shapes & Beats banner

Just Shapes & Beats has achieved a Player Score of 95, placing it in the #7 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 20,543 reviews on Steam. This breaks down to a total of 20,048 positive reviews and 495 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $11.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $11.99
Release Date 5/31/2018
Developer Berzerk Studio
Publisher Berzerk Studio
Steam App Id 531510

8. Clone Drone in the Danger Zone

Clone Drone in the Danger Zone is a robot voxel slice-em-up where any part of your body can be sliced off. With your mind downloaded into a robot gladiator, you must survive the sinister trials of the arena.

Clone Drone in the Danger Zone banner

Clone Drone in the Danger Zone has achieved a Player Score of 95, placing it in the #8 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 30,687 reviews on Steam. This breaks down to a total of 29,719 positive reviews and 968 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $6.99 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Clone Drone in the Danger Zone on the Steam Deck (though some functionality may be limited).

Steam Price $6.99
Release Date 7/27/2021
Developer Doborog Games
Publisher Doborog Games
Steam App Id 597170

9. WolfQuest: Anniversary Edition

Live the life of a wild wolf in a realistic ecological simulation set in Yellowstone National Park.

WolfQuest: Anniversary Edition banner

WolfQuest: Anniversary Edition has achieved a Player Score of 95, placing it in the #9 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 9,153 reviews on Steam. This breaks down to a total of 8,945 positive reviews and 208 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $19.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $19.99
Release Date 7/26/2019
Developer eduweb
Publisher eduweb
Steam App Id 926990

10. Tabletop Simulator

Tabletop Simulator is the only simulator where you can let your aggression out by flipping the table! There are no rules to follow: just you, a physics sandbox, and your friends. Make your own online board games or play the thousands of community created mods. Unlimited gaming possibilities!

Tabletop Simulator banner

Tabletop Simulator has achieved a Player Score of 95, placing it in the #10 spot for the best Mac OS Online Co-Op games. Its score was calculated by analyzing a total of 64,932 reviews on Steam. This breaks down to a total of 62,433 positive reviews and 2,499 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $9.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is not possible to play or run Tabletop Simulator on the Steam Deck.

Steam Price $9.99
Release Date 6/5/2015
Developer Berserk Games
Publisher Berserk Games
Steam App Id 286160

More Online Co-Op Mac Games on Steam

Explore even more rankings for the 10 best Online Co-Op games available on Steam.

ImageName
Actions
Terraria steam charts
23,045
5/16/2011
97
$9.99
Steam Charts
Bloons TD 6 steam charts
9,039
12/18/2018
96
$4.19
Steam Charts
Baldur's Gate 3 steam charts
49,655
8/3/2023
96
$59.99
Steam Charts
Garry's Mod steam charts
11,386
11/29/2006
96
$9.99
Steam Charts
tModLoader steam charts
21,885
5/16/2020
96
Free
Steam Charts
BattleBlock Theater® steam charts
118
5/15/2014
96
$14.99
Steam Charts
Just Shapes & Beats steam charts
103
5/31/2018
95
$11.99
Steam Charts
Clone Drone in the Danger Zone steam charts
223
7/27/2021
95
$6.99
Steam Charts
WolfQuest: Anniversary Edition steam charts
1,100
7/26/2019
95
$19.99
Steam Charts
Tabletop Simulator steam charts
4,564
6/5/2015
95
$9.99
Steam Charts

Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.

  • Valve Corporation. (2024, December 9). Steam Store. Steam Store.
  • Valve Corporation. (2024, December 9). Terraria on Steam. Steam Store.
  • Valve Corporation. (2024, December 12). Bloons TD 6 on Steam. Steam Store.
  • Valve Corporation. (2024, December 11). Baldur's Gate 3 on Steam. Steam Store.
  • Valve Corporation. (2024, December 11). Garry's Mod on Steam. Steam Store.
  • Valve Corporation. (2024, December 2). tModLoader on Steam. Steam Store.
  • Valve Corporation. (2024, December 10). BattleBlock Theater® on Steam. Steam Store.
  • Valve Corporation. (2024, December 9). Just Shapes & Beats on Steam. Steam Store.
  • Valve Corporation. (2024, December 3). Clone Drone in the Danger Zone on Steam. Steam Store.
  • Valve Corporation. (2024, December 11). WolfQuest: Anniversary Edition on Steam. Steam Store.
  • Valve Corporation. (2024, December 2). Tabletop Simulator on Steam. Steam Store.

Explore

Discover the best of Steam. Find your next game, free weekend, or even track the next Steam Sale all in one spot.