Server Slam Data • 2025–2026

Marathon vs Arc Raiders
Server Slam Comparison

Arc Raiders held strong all weekend. Marathon dropped 52% by Day 2. Here's the full day-by-day breakdown of both server slams — and what it means for Marathon's March 5 launch.

Server Slam Peaks

Both games ran free, open server slams before their premium launches. Here's how they stacked up on Steam alone.

Arc Raiders
Server Slam · Oct 17–19, 2025
189,668
Steam peak concurrent · Oct 17
Marathon
Server Slam · Feb 26 – Mar 2, 2026
143,621
Steam peak concurrent · Feb 26

Head-to-Head: Steam Peak CCU

Arc Raiders — Server Slam 189,668
Marathon — Server Slam 143,621
Arc Raiders — Launch Peak 481,966
Marathon — Projected Launch Peak ~350,000

Server Slam: Day-by-Day Breakdown

How did each slam actually play out hour by hour? Arc's slam started on a Friday and held strong through the weekend. Marathon's started mid-week — and the numbers tell a different story.

Steam Peak Concurrent Players Per Day

Hover bars for exact numbers · Data from SteamDB
200K 150K 100K 50K 0
189,668
143,621
Day 1
Arc: Fri / Mar: Wed
~150,000
~80,000
Day 2
Arc: Sat / Mar: Thu
~125,000
~60,000
Day 3
Arc: Sun / Mar: Sat*
Arc Raiders (Oct 17–19)
Marathon (Feb 26–28*)

*Marathon slam continues through Mar 2. Day 2–3 figures are 24-hour peak estimates from SteamDB/press reports. Arc Day 2–3 estimates based on sustained engagement reports.

⚠️
Marathon's 52% Day-2 Drop Is a Red Flag. Marathon fell from 143,621 on Day 1 to just ~69,000 concurrent on Day 2 — a 52% decline within 24 hours. By Day 3 (Saturday — typically the strongest day for gaming), it's hovering around ~60,000 with a 24-hour peak of roughly 80,000. For comparison, Arc Raiders' slam started on a Friday and carried strong momentum into its weekend. Marathon's mid-week start partially explains the initial spike-and-drop, but the expected weekend surge hasn't materialized yet. This could signal that the slam's initial curiosity isn't converting to sustained engagement — or it could bounce back on Sunday. We're watching closely.

Timeline of Events

The road from stress test to full launch for both extraction shooters.

Oct 17–19, 2025
Arc Raiders Server Slam
Free 3-day stress test across PC, PS5, and Xbox. Steam peaked at 189,668 concurrent.
Oct 30, 2025
Arc Raiders Full Launch
Premium $39.99/$59.99 release. Sold 4 million copies in week one and hit 700K+ concurrent across platforms.
Nov 16, 2025
Arc Raiders All-Time Steam Peak
Hit 481,966 concurrent on Steam. Cross-platform peak passed 700K and eventually reached 960K by January.
Feb 26 – Mar 2, 2026
Marathon Server Slam
Free open preview on PC, PS5, and Xbox with full cross-play. Steam peaked at 143,621 on day one.
Mar 5, 2026
Marathon Full Launch
Premium $39.99/$59.99 release with cross-play and cross-save. Already a top-3 Steam bestseller by pre-order.
📈
The 2.5× Multiplier: Arc Raiders went from a 189K slam peak to a 482K launch peak — roughly a 2.5× increase. If Marathon follows the same slam-to-launch trajectory, its 143K slam peak would translate to approximately ~360K at launch on Steam alone.

Full Stat Comparison

Everything side by side — slam stats, launch performance, retention, and what's projected for Marathon.

MetricArc RaidersMarathon
Slam DatesOct 17–19, 2025 (3 days)Feb 26 – Mar 2, 2026 (5 days)
Slam Steam Peak189,668143,621
Slam PlatformsPC (Steam/Epic), PS5, XboxPC (Steam), PS5, Xbox — Full cross-play
Days Between Slam → Launch13 days3 days
Launch DateOct 30, 2025Mar 5, 2026
Price Model$39.99 / $59.99$39.99 / $59.99
Launch Steam Peak481,966~250K–450K (projected)
All-Platform Peak960,000 (Jan 2026)~800K+ (projected)
Copies Sold (Week 1)4 millionTBD
Total Sales12.4 million (by mid-Jan)TBD
Steam RatingVery Positive (87%)TBD
Slam-to-Launch Multiplier~2.5×~2.5× = ~360K

Arc Raiders Retention: The Benchmark

The real question isn't just peak numbers — it's whether players stick around. Arc Raiders set an exceptional benchmark for player retention post-launch. You can track the current player count live on Arc Raiders server status.

Nov 2025
264K
Avg Steam CCU
Dec 2025
229K
Avg Steam CCU
Jan 2026
241K
Avg Steam CCU
Feb 2026
~209K
Current CCU (Feb 28)

Arc Raiders hasn't just held players — it's grown them. The November-to-January numbers barely dipped, which is nearly unheard of in the extraction shooter genre. A big part of that is the constant rotation of world events keeping the game fresh. If you want to see what's currently active, check the Arc Raiders map to track the massive number of events they're rotating through across all regions.

For Marathon, this will be the key metric to watch post-launch. A strong Server Slam is great, but Bungie needs to replicate this kind of retention to prove Marathon has legs. See the live Marathon player count for real-time data.

Marathon Launch Projections

Based on Arc Raiders' slam-to-launch multiplier and market conditions, here are three scenarios for Marathon's Steam launch peak.

Conservative
~250K
Steam Peak
Weaker conversion from slam. Some player drop-off from UI/PvP complaints. Still a strong launch by any measure.
Most Likely
~350K
Steam Peak
Follows Arc's 2.5× multiplier pattern. Moderate post-slam growth with Bungie's brand power driving purchases.
Upside
500K+
Steam Peak
Slam hype snowballs, Destiny/Halo loyalists convert en masse, and launch-day stability exceeds expectations. 800K–1M all-platform.

What Does This All Mean?

Marathon's Day 1 was solid — but the drop-off is concerning. A 143K peak isn't far behind Arc's 189K, but what happened next matters more. Marathon lost over half its players within 24 hours, falling to ~69K on Day 2 and sitting around 60K on Day 3 — a Saturday, which should be prime time. Arc's slam, which started on a Friday, carried strong engagement through its full weekend window.

The mid-week start hurt Marathon, but doesn't explain everything. Launching on a Wednesday means the Day 1 spike included a lot of "quick look" players who couldn't stay. But even accounting for that, the expected weekend bounce hasn't delivered the numbers most analysts predicted.

Player feedback is driving the dip. Multiple reports cite frustrations with Marathon's UI design, a confusing inventory system, and PvP encounters feeling too sparse in the game's large maps. See our Marathon reviews page for critic and streamer reactions.

Arc Raiders set an impossibly high bar for retention. You can check the Arc Raiders server status to see just how steady Arc's numbers remain — still averaging 200K+ daily, four months post-launch.

The real test is still March 5. Server slams are free. Launch day costs $40. Bungie's brand, the patches they ship between now and then, and early review sentiment will ultimately determine whether Marathon's paying audience looks more like the Day 1 hype crowd or the Day 3 leftovers. Check Marathon beta dates and launch info for full details.

Sources & Methodology

Steam concurrent player data sourced from SteamDB and SteamCharts. Cross-platform figures from official Nexon/Embark and Bungie communications. Sales milestones from publisher press releases. The 2.5× slam-to-launch multiplier is derived from Arc Raiders' documented trajectory and applied as a baseline model for Marathon projections. All estimates are explicitly marked as projections and should not be taken as confirmed figures.