Thick as Thieves Development Ends: No Future Updates Planned, Devs Disappointed

Warren Spector's studio just pulled the plug on their stealth extraction experiment after player counts flatlined from 2,000 to double digits — another immersive sim multiplayer dream that couldn't survive the extraction shooter gold rush.

OtherSide Entertainment has confirmed that Thick as Thieves will not receive any further content updates, effectively ending development on the PvPvE stealth game. "To be frank, this is not the outcome that any of us want," the studio said in a statement to players.

The Announcement

The news broke via the game's official Discord and Steam community channels, where OtherSide told its remaining player base that the current build represents the final version of Thick as Thieves. No new maps, characters, modes, or balance patches are planned. The servers will remain online for the foreseeable future, but the development team has been reassigned or let go.

Thick as Thieves launched into early access in late 2023 after several closed playtests. The game pitched a novel twist on extraction shooters: asymmetric multiplayer where rival thieves infiltrate guarded mansions, avoid AI sentries, and outwit each other to steal artifacts and escape. Warren Spector's studio positioned it as an "immersive sim multiplayer" — a genre hybrid that sounded compelling on paper but struggled to find its footing in practice.

Why This Now

Player counts tell the story. SteamCharts data shows Thick as Thieves peaked around 2,000 concurrent users at launch and declined steadily to double-digit averages by mid-2024. For a multiplayer-only title with matchmaking-dependent design, that population floor makes sustainable development impossible. OtherSide, a relatively small studio backed by Tencent, likely faced a straightforward business calculation: continue funding a game with a shrinking community, or cut losses and redirect resources.

The competitive landscape didn't help. 2023–2024 saw a flood of extraction-adjacent releases — The Finals, Gray Zone Warfare, Escape from Tarkov's continued dominance — all fighting for the same hardcore PvPvE audience. Thick as Thieves' stealth-first, slower-paced approach differentiated it, but differentiation only matters if enough players show up to sustain the ecosystem.

Deconstruct the Impact

For the few hundred die-hards still queuing nightly, the announcement is a death sentence for their game of choice. Matchmaking will grow slower until it becomes functionally broken. The meta will fossilize without balance patches. And the implicit promise of early access — that today's rough edges become tomorrow's polished systems — goes unfulfilled.

For OtherSide, this marks a second high-profile struggle after Underworld Ascendant (2018) failed to meet expectations. The studio's pedigree — Spector, Paul Neurath, veterans of Deus Ex, System Shock, Thief — carries weight in immersive sim circles. But that lineage hasn't translated into commercial viability for multiplayer experiments. Tencent's patience, already tested by broader portfolio cuts across Western studios, appears to have run out.

For the genre, Thick as Thieves becomes another data point in the "immersive sim multiplayer" hypothesis: extremely difficult to execute, expensive to maintain, and ruthless in its player-count requirements. Deceit, Hidden Agenda, and now this — the graveyard grows.

The Broader Trend

Live-service fatigue is real, and it's not just battle passes and battle royales feeling it. Mid-tier multiplayer games with niche appeals face a brutal squeeze: they need enough players to fill lobbies instantly, but lack the marketing budgets or IP recognition to acquire them at scale. Steam's algorithm favors retention metrics that new titles struggle to generate before the player base evaporates.

OtherSide's statement hints at this reality. The phrase "not the outcome any of us want" reads less like PR spin and more like developers who built something they believed in, then watched the numbers dictate the ending. That tension — creative ambition vs. platform economics — defines the current moment for studios of this size.

Counterpoint: The Server Question

OtherSide says servers stay up. History suggests that's a timeline measured in months, not years. When The Cycle: Frontier shut down, Yager gave six months' notice. When Rumbleverse ended, Iron Galaxy gave three. "Foreseeable future" is corporate language for "until the hosting bill exceeds the goodwill value." Players should expect a sunset announcement within 2025.

What Comes Next

Watch OtherSide's next move. The studio hasn't announced a new project, and Tencent's investment strategy has shifted toward safer bets — established IPs, proven genres, larger teams. If Thick as Thieves was the studio's swing for a live-service hit, the miss may reshape what OtherSide is allowed to attempt next.

For players, the lesson is familiar: early access multiplayer games are bets on community growth, not just developer roadmaps. Thick as Thieves had ideas worth exploring — stealth as social deduction, extraction as heist cinema — but ideas don't populate lobbies. The final build is playable today. That's more than some dead games leave behind.

Key Numbers

1 metric
2Kplayers
Peak concurrent users at launch

Why This Matters

The cancellation of Thick as Thieves highlights the brutal economics of mid-tier live-service games: even with veteran developers and a unique stealth-extraction concept, insufficient player counts force studios to abandon projects, leaving early-access buyers with an unfinished game and signaling broader risks for niche multiplayer titles.

Background

OtherSide Entertainment

Studio founded by Warren Spector and Paul Neurath, veterans of Deus Ex, System Shock, and Thief; previously released Underworld Ascendant (2018) which failed commercially.

Thick as Thieves

PvPvE stealth extraction game launched in early access late 2023, positioned as an 'immersive sim multiplayer' hybrid, backed by Tencent.

Live-service market context

2023–2024 saw a flood of extraction shooters (The Finals, Gray Zone Warfare, Escape from Tarkov) competing for the same hardcore audience, making player retention extremely difficult for new entrants.

Timeline

6
2025
2025

Expected server sunset announcement (within 2025)

2024
2024

Player counts decline to double-digit averages (mid-2024)

2023
late 2023

Early Access Launch: Thick as Thieves launched into early access after several closed playtests

2023

Thick as Thieves launches into early access (late 2023)

2018
2018

Underworld Ascendant released (failed to meet expectations)

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Sofia Marin
About the Author Sofia Marin

Sofia Marin explores how games influence culture, storytelling, and online communities through features, interviews, and opinion pieces.