Idle and incremental games, reviewed slowly
Idle games are the ones where numbers grow on their own. You set something in motion, step away, and come back to a bigger pile of cookies, paperclips or catnip. Idle Harbour reviews the ones that run in an ordinary web browser, checks each on its official site, and tells you plainly what it asks of your time and your wallet.
Eight games, roughly in order from gentlest start to longest voyage. Each verdict is a short version of the full review.
Best first idle game
The friendliest first step into idle games. Free in the browser with ads, endlessly deep if you want it, perfectly fine to treat as a background joke if you do not.
Best for a single, memorable arc
The idle game with the strongest sense of direction. Free in a desktop browser, built around a story that escalates in stages, and best played without reading spoilers first.
Best for long, patient campaigns
The patient player's idle game. Free in the browser, text-only, with a village economy that keeps opening new layers for a very long time.
Best for prestige-layer fans
The genre's great tower of prestige layers. Free in the browser, open source, with an optional shop that the game itself says you do not need.
Best for long runs with light combat
A deep, text-based idle game with combat at its heart. Free in the browser with no cash shop on the web, and generous with automation as you progress.
Best idle RPG
The most approachable idle RPG we know. A free demo runs in the browser; the full game is a one-time purchase with optional paid expansions.
Best for story lovers
An incremental game that becomes a story. Free in the browser, minimalist, and best played knowing as little as possible.
Best short and playful pick
A charming, finite adventure disguised as an idle game. Free, ad-free, drawn entirely in monospaced text, and full of small jokes.
The same eight games side by side. "Attention it asks" is our editorial read on how often a game wants you back, not a stopwatch measurement.
| Game | Where it runs | How it is funded | Attention it asks | Best for |
|---|---|---|---|---|
| Cookie Clicker | Browser; also Steam, Android and consoles | Free on the web with ads; paid on Steam | Light: busy early on, then occasional visits | Newcomers and fans of running jokes |
| Universal Paperclips | Desktop browser; paid iOS app | Free on the web, no purchases seen | Finite: a few long sittings | Players who want a story, not a routine |
| Kittens Game | Browser; also Steam (Early Access), Android and iOS | Free on the web; Patreon; paid on Steam | Long-haul: short check-ins over a long period | Planners and spreadsheet lovers |
| Antimatter Dimensions | Browser; also Steam and Android | Free; optional shop, off by default on the web | Long-haul: active bursts between idle stretches | Players who love resets and automation |
| Trimps | Browser; also Steam | Free; no cash shop on the web; optional purchases on Steam | Long-haul: attentive early, automated later | Players who like systems, maps and challenges |
| Melvor Idle | Browser; also Steam, Epic, Android and iOS | Free demo; one-time full version; paid expansions; site shows ads | Very light per visit, very long overall | Fans of skill-levelling RPGs |
| A Dark Room | Browser; separate iOS, Android and Steam releases | Free in the browser, no ads seen | Finite: a few evenings | Readers who like mystery and minimalism |
| Candy Box 2 | Browser | Free, no ads; optional donations | Finite: a short voyage | Curious players and fans of text art |
We do not list every clicker on the internet. A game gets a place in the harbour only if it passes all five checks below, and we repeat the checks before any review is updated.
The longer version of this lives on How we review.
Short guides for newcomers and for anyone whose idle game has quietly become a second job.
A game whose main loop is numbers that grow, often while you are not touching anything, and that keeps adding new layers as they grow. Some, like Cookie Clicker or Antimatter Dimensions, are pure versions of the idea. Others, like A Dark Room and Candy Box 2, start as incremental games and slowly turn into small adventures. Our glossary explains the usual vocabulary.
No. All eight games on this site start in a desktop web browser from their official page. Several also have separate Steam or mobile releases, which we mention in each review. One caution: the developer of Universal Paperclips says its web version was not designed for phones and points mobile players to the app instead.
Every game here can be started in the browser without paying. How they are funded varies: Cookie Clicker's web page shows ads, Melvor Idle offers a free demo and a paid full version, Antimatter Dimensions has an optional shop that its own text calls unnecessary for progress, and several are simply free with an optional donation link. Each review spells out the details.
Unless you sign in to an account the game offers, progress usually lives in the browser you played in, so clearing site data can wipe it. Kittens Game and Trimps both have visible export options; copying a save somewhere safe now and then is a good habit.
Because a score hides the part that matters most with idle games: whether the rhythm suits you. Instead, every review ends with who the game fits, who might skip it, and a short list of fair winds and headwinds.
No. We are an independent editorial site. We are not paid by the studios, links carry no affiliate codes, and game names belong to their owners. See the disclaimer for the formal version.
It happens to most players at some point. Our guide on keeping idle games idle has practical habits for that, from choosing finite games to letting offline progress do the work.