Head to head

Karos vs Old School RuneScape

Karos

Live

2k – 6k daily

Old School RuneScape

Live

4k – 13k 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

2k – 6k

4k – 13k

Estimated players

2.2k1.1%

253.6k3.3%

Available on

Windows

Windows
macOS
Android
iOS

Platforms

Windows

Perspectives

—

Player activity

Smoothed estimated players over time.

KarosOld School RuneScape

Karos

Average monthly estimated players
Month	Estimated players	Change
September 2026	~2.2k	Up 0.9%
August 2026	~2.2k	Down 0.8%
July 2026	~2.2k	—

Old School RuneScape

Average monthly estimated players
Month	Estimated players	Change
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: 532Down 18%
Old School RuneScape: 1.2kDown 36%

Old School RuneScape currently has about 2.2× as many peak concurrent Steam players as Karos — 1,187 vs 532.

Discord members

Karos: 7.1kUp 0.3%
Old School RuneScape: 277.1kUp 1.6%

Old School RuneScape currently has about 39× as many Discord members as Karos — 277,088 vs 7,135.

Twitch viewers

Karos: 39Up 5.4%
Old School RuneScape: 6.8kDown 14%

Old School RuneScape currently has about 175× as many live Twitch viewers as Karos — 6,822 vs 39.

YouTube subscribers

Karos: 2.2k
Old School RuneScape: 265kUp 0.8%

Old School RuneScape currently has about 118× as many YouTube subscribers as Karos — 265,000 vs 2,240.

Reddit members

Karos: —
Old School RuneScape: 1.4mUp 0.9%

Old School RuneScape currently has 1,397,054 subreddit members; no comparable data is tracked for Karos.

How these estimates are made

Karos

Karos is estimated to have 2k – 6k players a day. Around 38k – 96k 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 4k – 13k players a day. Around 370k – 950k 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.