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Under The Island

Feb 17, 2026 Action $19.99
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Action-focused indie game Under The Island is slated for 2026 from Slime King Games, with Top Hat Studios Inc as publisher. Steam lists 401 reviews marked mixed at 0% positive, and the initial price is $19.99.

Overview

Under The Island is a 2026 Action game developed by Slime King Games and published by Top Hat Studios, Inc.. On Steam it has gathered 423 player reviews, 93% of them positive, which counts as a very positive reception among indie titles in the Action category. The game is available on windows, and launched at $20. The pairing of developer Slime King Games with publisher Top Hat Studios, Inc. is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Action projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 13,000 to 30,000 units, with the full Boxleiter factor breakdown shown on this page rather than a single black-box figure. Within indielist's catalog of indie games mapped to their studios, publishers, and funding, Under The Island can be compared against similar Action titles and benchmarked on review counts and estimated sales.

Reviews

423

Positive

93%

Steam appid

1583520

Engine

Unknown

Players (snapshot)

Unavailable

Sales estimate

v1.0

13K to 30K

units (median: 21K)

≈ $145K to $338K modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)

13K median 30K
+ How is this calculated?
423 reviews × NB(50) = 21,150 median units
Factor Adjustment
base +50
year_2026 -10
price_$20 0
positive_93% +10
final NB 50

Heuristic display range: median × [0.6, 1.4]. Boundary protection: NB ∈ [15, 150].

Methodology & limitations

Sales estimates use an additive Boxleiter-derived heuristic against public Steam review counts. They are not authoritative sales data, and the fixed display range is not a statistically validated confidence interval. Actual results may fall outside it, especially for deeply discounted or bundle-heavy titles. Algorithm version v1.0. Read the exact method and validation status.

indielist estimates lifetime unit sales for Under The Island at roughly 13,000 to 30,000 copies, with a median around 21,000, derived from its 423 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $241K in net revenue after Steam's 30% cut, regional pricing, and refunds. Unlike black-box trackers, the full calculation is shown on this page: a base review-to-sales multiplier is adjusted for release year, launch price, review sentiment, studio size, and genre, and every adjustment is listed so developers, publishers, and investors can audit exactly how the figure was reached. The range itself reflects genuine uncertainty — review-to-sales ratios vary widely between games — so indielist publishes a low, median, and high band rather than a false-precision single number, and treats free-to-play, heavily discounted, and bundle-distributed titles as having wider error margins still.

Price history

9 observed days · window low $14.99

Across 9 observed UTC days from 2026-07-15 to 2026-07-24, the daily lowest tracked USD price across stores ranged from $14.99 to $15.99. The tracked-window low was $14.99 on 2026-07-21.

$12 $15 $18 07-1507-1707-1807-2007-2107-24 2026-07-15: $15.99 2026-07-16: $15.99 2026-07-17: $15.99 2026-07-18: $15.99 2026-07-19: $15.99 2026-07-20: $15.99 2026-07-21: $14.99 2026-07-22: $14.99 2026-07-24: $14.99 2026-07-15: $15.99 2026-07-16: $15.99 2026-07-17: $15.99 2026-07-18: $15.99 2026-07-19: $15.99 2026-07-20: $15.99 2026-07-21: $14.99 (tracked-window low) 2026-07-22: $14.99 (tracked-window low) 2026-07-24: $14.99 (tracked-window low) Tracked-window low: $14.99 on 2026-07-21

Real store observations · daily lowest tracked USD price across stores · missing days are not filled.

Where to buy

Affiliate disclosure
  • Steam reference -25%
    $14.99 Buy
  • GOG.com -20%
    $15.99 Buy
  • Green Man Gaming
  • Fanatical
  • Humble Store

Latest tracked store observations (2026-07-24 06:18 UTC), cheapest first. Prices may have changed since observation. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.

Platforms

windows

Genres

ActionAdventureIndieRPG

Frequently asked questions

How many copies has Under The Island sold?
indielist estimates Under The Island has sold between 12,690 and 29,610 units (median 21,150), derived from its 423 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
Who developed Under The Island?
Under The Island was developed by Slime King Games and published by Top Hat Studios, Inc..
Who published Under The Island?
Under The Island was published by Top Hat Studios, Inc., developed by Slime King Games. See Top Hat Studios, Inc.'s full catalogue and submission status on indielist.
When was Under The Island released?
Under The Island was released in 2026.
How many reviews does Under The Island have on Steam?
Under The Island has 423 Steam reviews, of which 93% are positive.
Is Under The Island worth playing?
Steam players rate Under The Island 93% positive across 423 reviews. indielist doesn't score games editorially; it surfaces public review sentiment and a white-box sales estimate so you can judge reception and reach yourself.

Ecosystem

Players looking for games like Under The Island can compare it on indielist against semantically similar Action titles such as Rust, Terraria, Phasmophobia, ARK: Survival Evolved, ranked by shared tags and genre rather than by ad spend. On the developer side, Slime King Games's other releases and Top Hat Studios, Inc.'s wider catalog are one click away, letting developers benchmark where Under The Island sits among a studio's body of work and how its publisher's portfolio performs. Because indielist maps studios, publishers, games, and funding into one connected graph, the same Under The Island page serves three audiences at once: players hunting their next Action game, developers studying how comparable projects were positioned and what they sold, and investors tracing which teams and labels are active in the space. A machine-readable markdown mirror of this page is published at the same path with a .md suffix for AI assistants, and its review, price, and sales-estimate figures are refreshed on a schedule rather than frozen at launch.

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