GOA vs CEPHE 81
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
GOA
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Margin is a pursuit puzzle you win with your head, not your thumbs. Every level is a small board. You move one square at a time. So do the hunters — and they always take the step that brings them closest to you. That is the whole rule, and it is also the whole trick: because you know exactly what they will do, you can decide where they end up. An arrow above each hunter shows the step it is about to take. Read the arrows, and a level stops being a chase and becomes a plan: pull the pack one way, slip through the gap they leave, walk out through the exit. • Three tiers: Easy, Medium and Hard. Each one puts more hunters on the board and less room between them. • Inventory and heroes: pick one of 16 heroes to play on the board; earns bonus points on every Medium and Hard win. Buy with gems or try one for a day by watching an ad. Your first hero is a gift. • Regions: besides Classic, play Town (sleepers), Winter Festival (ice) and Castle (key). Each has its own rule and lesson; points and leaderboard stay the same. • Daily Board: one board for everyone, every day, separately for Easy, Medium and Hard. Solve it to earn 20 points on Easy, 200 on Medium or 400 on Hard, and claim your spot in the daily ranking. • Friends and challenges: add friends by name or player number and challenge them in real time on the same boards. The first to reach the end wins; rematches, draws and your head-to-head record included. • 48 titles to earn, plus weekly and all-time leaderboards on Game Center. • Every level is generated and then solved by the game before you ever see it. If it is offered to you, it can be beaten. • Every board shows its minimum move count. Each extra move costs a point (up to 5), so the shortest escape earns the most. • A hint when you are stuck, and a fresh board whenever you want one. • No timers, no lives, no energy to wait for. Think as long as you like. • Plays in portrait, one thumb, anywhere. There is no margin for error. There is exactly one square of it.
CEPHE 81
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Pick one of Türkiye's 81 cities and fight for it on the front. CEPHE 81 is a strategy game of 75-second real-time duels. Attack on three flanks, raise your shield at the perfect moment to counter, and break your rival's Raid with a well-timed attack. Push one flank all the way and you break through. Every match adds to your city's score, even a loss. Neighbouring provinces meet on the front every day, and results are announced at 21:00. The winning city lays siege to its rival; win again the next day and the province is under its control. The losing city can win its ground back on a Retake front. The map changes every night. • Real opponents: players at your level from the rival city on your front • Shadow: if no one is online, you face the Shadow of a real player, learned from their matches • Big cities get no advantage: front strength is counted per player • Altitude league: from PLAINS to SUMMIT, with Türkiye's top 81 at the very top • Tour of Türkiye: collect the plates of all 81 provinces • Challenges: send a friend a link for a live duel or a match against your Shadow • 21:00 front report: what your city won and what you added Nothing you can buy gives power in a match.
Screenshots
Verdict
The clearest difference is ads: CEPHE 81 at none against GOA's shown. GOA's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. GOA sells 1 one-off in-app purchase and CEPHE 81 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | GOA | CEPHE 81 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 255 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | ALI BUGATEKIN | Semih Kaya |
In-app purchases
GOA
- Remove Ads$1.99
CEPHE 81
- Starter Pack$0.99
- City Pack$2.49
- 81 Pass · Season 1$2.99









