Xbox Game Pass rotates its catalogue every two weeks. The Xbox app for PC surfaces the newest AAA releases up top, buries the indie catalogue under carousels, and gives leaving-soon titles a single row that most subscribers never scroll to. Games like Luna Abyss and Balatro land on the service, catch on with a small group of players, then roll off before the rest of the audience notices they were ever there. Polygon’s coverage of both titles made the same point: the storefront is a marketing surface, not a discovery tool. Apps for finding Xbox Game Pass hidden gems fix that gap. They cross-reference critic scores, flag rotation warnings, estimate playtime, and let subscribers filter by the criteria the storefront does not expose. Below are eight desktop tools that surface the good stuff faster than the Xbox app does on its own.
What to look for
A good Game Pass discovery stack covers six things the official app does not do well.
- Leaving-soon alerts with real dates, not a single unnamed row of thumbnails.
- Indie and back-catalogue filters that push past the six AAA titles Microsoft is marketing that month.
- Aggregated critic scores so we can cross-reference Polygon, Eurogamer, RPS, and Digital Foundry in one place.
- Playtime estimates to match a game to the free evening actually available.
- Community-picked lists curated by players who care about the same subgenre we do.
- Cross-device signals covering how a game runs on cloud, PC, and Steam Deck, so a subscription pick is not wasted on the wrong hardware.
No single app covers all six. The mix below does.
Quick comparison
| App | Best for | Platforms | Free/Paid | Standout feature |
|---|---|---|---|---|
| Xbox app for PC | Installing and launching | Windows, Xbox | Free (Game Pass sub separate) | One-click cloud handoff |
| HowLongToBeat | Session-size matching | Web | Free (ad-free tier) | Main + side + completionist hours |
| OpenCritic | Critic score cross-check | Web | Free | Mighty / Strong / Fair / Weak tiers |
| TrueAchievements | Leaving-soon warnings | Web | Free (supporter tier) | Dated Game Pass removal lists |
| SteamHunters | Achievement rarity | Web | Free | Rarest-first leaderboards |
| ProtonDB | Steam Deck compatibility | Web | Free | Community verified ratings |
| GG.deals | Buy vs. subscribe math | Web | Free | Game Pass leaving tracker |
| IsThereAnyDeal | Long-term price alerts | Web | Free | Historical low notifications |
The 8 apps
1. Xbox app for PC. Best for downloads and cloud handoff
The official Windows client is unavoidable: it is the only way to install Game Pass titles locally on a PC and the fastest path into Xbox Cloud Gaming from a browser-free session. Its library view now aggregates installed games from Steam, EGS, and Battle.net alongside Game Pass, which makes it a reasonable launcher even for non-subscribers. Discovery is the weak part; the storefront leans on carousels and the “leaving soon” row is a single strip.
Where it falls short: promotes AAA and first-party releases up top, hides indie back-catalogue picks, and offers no push alerts before titles rotate out. Pricing: Free client. Game Pass subscription sold separately. Platforms: Windows, Xbox. Download: Xbox app for Windows PC · Microsoft Store Bottom line: keep it installed for downloads and launches, but pair it with the tools below for anything that resembles curation.
2. HowLongToBeat. Best for matching games to a real session
Community-sourced playtime data across three modes: main story, main plus side, and completionist. Subscribers who see a Game Pass title leaving in three weeks can check whether the main quest fits the runway. The site added filters for platform and release year in the last redesign, which makes it easy to sift Game Pass day-one drops by expected length.
Where it falls short: coverage skews toward mainstream releases; some Game Pass day-one indies stay thinly documented for the first few weeks after launch. Pricing: Free. Optional ad-free membership around a few dollars per month. Platforms: Web (Windows browser). Download: HowLongToBeat Bottom line: filter Game Pass picks to 6 to 15 hour sessions and stop wasting weekends on 80 hour RPGs that will rotate out before the credits roll.
3. OpenCritic. Best for aggregated critic scores in one view
OpenCritic pulls reviews from Polygon, Eurogamer, RPS, Digital Foundry, and a couple of hundred other outlets and turns them into a single average plus a Mighty / Strong / Fair / Weak tier. For Game Pass triage it is faster than opening five review sites. The player review layer added recently is thin but growing.
Where it falls short: web-only with no dedicated desktop client and no push notifications for new Game Pass additions. Pricing: Free. Platforms: Web (Windows browser). Download: OpenCritic Bottom line: bookmark it. Look up any Game Pass title before spending an evening on it.
4. TrueAchievements. Best for leaving-soon warnings
TrueAchievements runs the most reliable “Game Pass Leaving Soon” tracker on the web, with dated removal lists that go up as soon as Microsoft signals a wave. The site also carries achievement rarity data, which doubles as a quality signal: games with well-designed achievements tend to be the ones worth finishing before they rotate out.
Where it falls short: the forum-heavy UI hides the good pages behind menus, and the leaving-soon tracker lives a click deep from the front page. Pricing: Free. Optional supporter tier removes ads. Platforms: Web (Windows browser). Companion Xbox app available. Download: TrueAchievements Bottom line: the single best source of truth for what is leaving Game Pass and when.
5. SteamHunters. Best for pre-checking achievement design
Steam-only achievement tracker with rarest-first leaderboards. For Game Pass discovery the trick is cross-reference: most Game Pass PC titles also ship on Steam, and SteamHunters exposes how many players finished a game, what the median completion time looks like, and whether the achievement list rewards exploration or padding.
Where it falls short: Xbox blindspot; if a Game Pass title never launched on Steam, it will not appear here. Pricing: Free. Platforms: Web (Windows browser). Download: SteamHunters Bottom line: the fastest way to sanity-check whether a Game Pass indie has legs before installing it.
6. ProtonDB. Best for Steam Deck subscribers weighing overlap
Community compatibility ratings for Steam games running on Linux and the Steam Deck. It is the app to open when a Game Pass subscriber is also a Deck owner and wants to know whether to install a title on the PC or buy the Steam version for portable play.
Where it falls short: Steam-only, so Game Pass exclusives are invisible here. Pricing: Free. Platforms: Web (Windows browser). Download: ProtonDB Bottom line: if the same game runs Platinum on Deck and is on sale on Steam, the Deck version wins over the Game Pass install every time.
7. GG.deals. Best for buy-versus-subscribe math
Deal tracker with a dedicated Game Pass section that publishes leaving lists the same week Microsoft confirms them. GG.deals then shows what the leaving game currently costs across a dozen store fronts, which turns the rotation warning into an actionable decision: buy now, buy later, or let it go.
Where it falls short: primarily a deal aggregator; game metadata is thinner than dedicated review sites. Pricing: Free. Platforms: Web (Windows browser). Download: GG.deals Bottom line: open it any time Game Pass posts a leaving-soon wave and price-check the titles worth owning outright.
8. IsThereAnyDeal. Best for long-tail price alerts
Store-wide price tracking with historical low charts. Pair it with the TrueAchievements leaving list: wishlist the exit titles, set a price threshold, and let ITAD ping when one of them hits an all-time low elsewhere. Cheaper than re-subscribing for a single game.
Where it falls short: not Game Pass native; alerts have to be built one title at a time. Pricing: Free. Platforms: Web (Windows browser). Download: IsThereAnyDeal Bottom line: the discipline tool. Turns rotation anxiety into a wishlist plus an email alert.
How to pick the right one
Most subscribers do not need all eight. The stack depends on how the reader plays.
The deep-dive researcher. Xbox app for PC plus OpenCritic plus HowLongToBeat covers score, length, and install in three tabs. Add TrueAchievements for the leaving calendar and the stack is complete.
The session-time-limited player. HowLongToBeat is non-negotiable. Filter to 8 to 12 hour main stories, cross-check the top result on OpenCritic, install through the Xbox app. Ignore anything over 30 hours unless it is a permanent catalogue fixture.
The Steam Deck user. ProtonDB decides whether a Game Pass title is worth installing on the PC or grabbing on Steam for portable play. GG.deals confirms whether the Steam version is discounted enough to skip Game Pass entirely for that title.
The indie lover. SteamHunters plus OpenCritic tier filtering (“Mighty” only) surfaces the well-reviewed small games faster than the Xbox app ever will. TrueAchievements catches them on the way out.
The completionist. TrueAchievements for rarity, SteamHunters for cross-platform completion rates, HowLongToBeat set to the completionist column. Install nothing over the runway remaining before rotation.
FAQ
Is there an official Xbox app that surfaces Game Pass hidden gems? No. The Xbox app for PC ranks the storefront by what Microsoft is promoting that month. The “recently added” and “leaving soon” rows are the closest it gets to a discovery feed, and neither is filterable.
Do any of these apps notify us before a Game Pass game leaves? TrueAchievements and GG.deals both publish dated leaving-soon lists as soon as Microsoft confirms them. IsThereAnyDeal can push a price alert on those same titles. None of the three is a push notification service by default; subscribers set that up via RSS or by wishlisting titles.
Are Luna Abyss and Balatro still on Game Pass? Balatro launched on Game Pass in late 2024 and remains widely available across the service tiers. Luna Abyss is a more recent addition and its rotation depends on Microsoft’s day-one deals. Check the leaving list on TrueAchievements before assuming any specific title is still there.
Do we need Game Pass Ultimate for any of these apps? No. Every app on the list works with any Game Pass tier and does not require a subscription at all. The Xbox app itself needs a Game Pass sub to install catalogue games; the other seven are pure discovery tools that work whether or not the reader is a subscriber.
Which one should we install first? The Xbox app for PC, because it is the only downloader. Then bookmark TrueAchievements and OpenCritic. That three-app baseline covers install, rotation warnings, and critic sanity check.
Is there anything similar for Xbox console instead of PC? Most of these tools are web apps, so they work in the Xbox Edge browser. TrueAchievements has a dedicated Xbox app on the Microsoft Store. The console Game Pass experience is otherwise identical to PC for discovery purposes.
