Head to head

Karos Classic vs Old School RuneScape

Karos Classic

Live

40 – 140 daily

Old School RuneScape

Live

5k – 16k daily

Side by side

Values shared by both games are highlighted.

Status

ACTIVE

Released

December 2014 · 12 years ago

February 2013 · 14 years ago

Daily players

40 – 140

5k – 16k

Estimated players

1.9k6.0%

273.7k4.7%

Available on

Windows

Windows
macOS
Android
iOS

Platforms

Windows

Perspectives

Third Person

Player activity

Smoothed estimated players over time.

Karos ClassicOld School RuneScape

Karos Classic

Average monthly estimated players
Month	Estimated players	Change
October 2026	~1.8k	Up 0.9%
September 2026	~1.8k	Up 1.1%
August 2026	~1.8k
July 2026	~1.8k	—

Old School RuneScape

Average monthly estimated players
Month	Estimated players	Change
October 2026	~266k	Up 2.0%
September 2026	~260.8k	Up 0.7%
August 2026	~259k	Up 17%
July 2026	~220.9k	—

Community breakdown

Steam, Discord, Reddit, Twitch, and YouTube activity for both games, side by side.

Steam concurrent players

Karos Classic: 16Up 6.7%
Old School RuneScape: 1.8kUp 28%

Old School RuneScape currently has about 116× as many peak concurrent Steam players as Karos Classic — 1,848 vs 16.

Discord members

Karos Classic: 7.2k
Old School RuneScape: 285.7kUp 2.7%

Old School RuneScape currently has about 40× as many Discord members as Karos Classic — 285,738 vs 7,155.

YouTube subscribers

Karos Classic: 2.2k
Old School RuneScape: 268kUp 0.8%

Old School RuneScape currently has about 120× as many YouTube subscribers as Karos Classic — 268,000 vs 2,240.

Reddit members

Karos Classic: —
Old School RuneScape: 1.4mUp 0.6%

Old School RuneScape currently has 1,422,940 subreddit members; no comparable data is tracked for Karos Classic.

Twitch viewers

Karos Classic: —
Old School RuneScape: 12.1kUp 37%

Old School RuneScape currently has 12,130 live Twitch viewers; no comparable data is tracked for Karos Classic.

How these estimates are made

Karos Classic

Karos Classic is estimated to have 40 – 140 players a day. Around 5k – 12k accounts have played it in total. The range is anchored on Steam’s official concurrent-player and review counts, then converted to daily actives and accounts — so it covers the Steam player base and will under-count a game played mostly through its own launcher or on console.

Old School RuneScape

Old School RuneScape is estimated to have 5k – 16k players a day. Around 370k – 960k accounts have played it in total. The range is anchored on Steam’s official concurrent-player and review counts, then converted to daily actives and accounts — so it covers the Steam player base and will under-count a game played mostly through its own launcher or on console.