Exos Saga
Exos Saga is a free-to-play mobile hero-collector RPG that leans heavily on its hand-drawn, anime-inspired presentation. It offers a large roster of Heroes to recruit, a stage-based PvE campaign spread across multiple continents, mostly automated battles where you trigger skills manually, and asynchronous Arena PvP for competitive rewards. Between enhancement and evolution systems for powering up your team and a steady flow of new characters to chase, it aims to be an accessible, collection-driven RPG that is easy to pick up in short sessions.
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Publisher: Eyedentity Mobile Playerbase: High Type: Mobile RPG Release Date: September 29, 2015 Shut Down Date: December 28, 2016 Pros: +Distinctive hand-drawn art direction. +Large Hero roster to build teams from. +Strong units are relatively attainable without heavy spending. Cons: -Stage grinding can feel samey over time. -Battles play themselves outside of skill taps. |
Exos Saga Overview
Exos Saga is a 2D online social RPG for mobile, published by Eyedentity Mobile (also known for Wonder5 Masters and Grand Chase M). The game drops you into a fantasy adventure where you join a band of Heroes on a hunt for the culprit Brook and the recovery of the stolen Axisturk. You begin by choosing one of five playable characters tied to distinct factions, then expand your roster by recruiting a wide range of collectible Heroes, each built around different roles and abilities.
Progression is structured around traveling through continents and clearing stage maps, while growing your party through leveling, gear upgrades, and a straightforward evolution system that improves rank and overall power. Combat is largely automated, but you still decide when to activate Hero skills, which becomes the main point of interaction during fights. Outside of PvE, Exos Saga also supports asynchronous Arena PvP, letting you test your team compositions against other players for rankings and rewards.
Exos Saga Features:
- Lots of PvE Content to Clear – Move across multiple regions, tackling stages filled with monsters and changing backdrops.
- Hand-drawn, Anime-leaning Visuals – Characters, enemies, and environments use a distinctive illustrated look that helps it stand out among mobile RPGs.
- Accessible Party Battles – Fights run automatically, with player input focused on timing and choosing when to fire off skills.
- 150+ Heroes to Recruit – Build a collection of over 150 Heroes spanning different classes and subclasses, then improve them through upgrades and evolution.
- Adventure-driven Campaign – Follow the journey centered on a stolen artifact and the pursuit of a dangerous antagonist.
- Arena PvP – Climb rankings in automated, asynchronous matches to earn resources and other useful rewards.
Exos Saga Screenshots
Exos Saga Featured Video
Exos Saga Review
Exos Saga is a free-to-play online social RPG developed by Oozoo, a smaller Korean studio also associated with the Rhythm RPG Brandnew Boy, and published by Eyedentity Mobile (previously Actoz Soft). Structurally, it sits in the same lane as other mobile hero-collectors from the era, including Eyedentity Mobile’s own Grand Chase M and Wonder5 Masters. Where it separates itself is in presentation and approachability: the game’s hand-drawn art gives it a distinctive identity, and the path to assembling a competent roster feels less punishing than many gacha-driven competitors.
It is still a familiar loop at heart, clear stages, gather materials, upgrade units, repeat, but Exos Saga’s visual flair and generous feel with Hero acquisition do a lot to keep the routine enjoyable, at least for a good stretch.
Progressing Through the World Map
Exos Saga is built around a stage campaign, with the world divided into continents and individual stages. Each stage is organized into chapters, and each chapter supports three difficulty tiers (Normal, Hero, Legend). Advancing is straightforward: clearing a chapter on Normal opens up the next difficulty and pushes you toward later chapters and stages.
In practice, stages consist of short sequences of enemy waves, with encounters becoming longer and tougher as you move forward. Visual variety is generally solid thanks to different environments, although you will still see repeated enemy types and layouts as you grind. A helpful feature for difficult content is the ability to bring a friend’s character to assist you on a limited basis, which can make a noticeable difference on progression walls.
Rewards follow the expected mobile RPG formula: player and Hero experience, equipment drops, gold, and the materials required for enhancement and evolution. Difficulty ramps steadily, so the game frequently nudges you back into its upgrade systems to keep your party viable.
Auto-battles With Light Skill Timing
Combat is side-scrolling and mostly hands-off, closely resembling the automated style found in other Eyedentity Mobile titles. You build a team of four Heroes and watch them engage enemies while basic attacks and movement resolve on their own. Your main input is activating each Hero’s special ability by double tapping their portrait, then managing cooldowns to get the most value out of those skills.
There is also an Auto option that triggers skills without player input, which turns fights into a fully passive experience. The downside is that the AI tends to use abilities less intelligently, so manual timing can still matter, especially in tougher fights where crowd control, burst damage, or healing windows can decide the outcome.
Overall, the system is easy to understand and well-suited to casual, short-session play. The tradeoff is that players looking for direct control or deeper mechanical expression will likely find the battles repetitive, with most meaningful decisions happening before the fight starts, during team building.
A Distinctive Illustrated Art Style
Exos Saga’s strongest hook is its visual identity. The game uses 2D hand-drawn assets created by professional artists, and it looks noticeably different from many mobile RPGs that rely on more standard templates. The style blends anime sensibilities with a broader fantasy tone, mixing human characters with creature-like designs (including humanoid animals and mythical-looking figures) in a way that feels intentionally eclectic.
Environments are colorful and varied, leaning into fantasy themes and mysterious locales. Combat effects are also a highlight for a 2D title, with bright spell visuals and cinematic skill sequences that add impact even when the underlying combat is automated. Big attacks, such as dramatic elemental strikes or larger-than-life summons, help keep battles visually engaging even during longer farming sessions.
Hero Collection and Team Composition
The game features over 150 collectible Heroes, each with a defined class and a set of abilities. Core roles include Tanker, Dealer, and Healer, and those are further divided into subclasses such as Knight, Magician, Lancer, Cleric, and others. Subclasses influence how Heroes behave in combat, including attack range, style, and matchups against other types, which encourages building more than one “main” team as you encounter different stage requirements.
Most party synergy comes from balancing survivability, damage, and support. Tankers are designed to absorb punishment and stabilize fights, Dealers supply the bulk of offensive output, and Healers provide recovery and buffs that can swing longer encounters. Each Hero has four skills total (one active and three passives), with additional skills unlocking as level and rank increase.
Power growth is handled through enhancement (using materials or sacrificing other Heroes) and evolution once a Hero reaches max level and is fully enhanced. Compared to many gacha RPGs, the evolution path here is relatively straightforward, and reaching the top rank (SS Rank) is not as drawn out as in more grind-heavy competitors. Evolution boosts stats, can unlock capabilities, and also updates the Hero’s look. New Heroes primarily come from the gacha-style Summon system.
Arena PvP
Alongside the story campaign, Exos Saga includes an Arena mode focused on PvP. Matches are asynchronous and automated, meaning you fight other players’ teams without real-time control beyond the same skill activation framework used in PvE. It can feel a bit opaque at first, since outcomes are heavily influenced by team composition and power levels rather than moment-to-moment play, but it is still entertaining to watch once you understand how your lineup performs.
Rankings are tracked on leaderboards, and matchmaking generally keeps you around players near your own rank, which helps with basic balance. As with most mobile RPGs, spending can offer an advantage by accelerating progression, but the Arena is limited by its own energy system, so participation is capped each day. Rewards feed back into progression through a shop that offers items like materials and additional Heroes.
Extra Activities for Farming and Boss Fights
Beyond the main stages and Arena, Exos Saga provides additional modes designed to break up routine grinding and supply key materials. The notable modes include Raid, Treasure Island, and Daily Dungeon.
Raid is built around boss encounters and supports two approaches: solo play using 12 of your Heroes, or real-time co-op with two other players where each participant brings four Heroes, still totaling 12 on the field. Combat remains automated, but the spectacle of a large boss fight and the variety of bosses and difficulty tiers make it one of the more engaging diversions.
Treasure Island is a survival-style sequence of 10 stages where you face parties assembled by other players, emphasizing roster depth and team consistency. Daily Dungeons function as repeatable daily content similar to story stages, but with improved rewards, making them a reliable source of gold, equipment, and upgrade materials.
Cash Shop and Monetization
Exos Saga uses a familiar gacha-based monetization model, centered on Xes as premium currency. Xes can be spent on summoning random Heroes (Rank B-S), equipment, and materials, as well as refilling Story mode energy (Vitality Points) and Arena energy (Arena Points). There are also monthly plans that provide daily Xes over a set period, plus bonus experience, alongside direct currency purchases.
What makes the shop easier to tolerate than usual is how optional it feels in practice. The game hands out Xes at a generous pace and, compared to many hero-collecting RPGs, it is noticeably less difficult to assemble a strong early roster. After only a few hours, it is common to have several A and S rank Heroes (with SS as the top rank), which is faster than the typical long-term grind seen in the genre.
Paying still speeds up progression, especially if you want to evolve units faster or gain an edge in PvP, but the overall balance leans more friendly to free players than many comparable titles.
Final Verdict – Good
Exos Saga delivers a competent hero-collecting mobile RPG with a clear identity. The automated combat and stage grinding can become monotonous, and players seeking more active gameplay may bounce off the hands-off battle flow. Still, the game’s illustrated art direction, large roster, and relatively generous path to high-rank Heroes help it stand above many similar gacha RPGs of its time. For casual players who value collecting characters and steady progression more than direct control, it was one of the stronger entries in its category.
OExos Saga Links
Exos Saga Official Site
Exos Saga Google Play
Exos Saga iOS Coming Soon
Exos Saga Official Facebook
Exos Saga System Requirements
Minimum Requirements:
Android 4.0.3 and up
Exos Saga Music & Soundtrack
Exos Saga Additional Information
Developer: Oozoo
Publisher: Eyedentity Mobile
Platforms: Android, iOS
Release Date: September 29, 2015
Shut Down Date: December 28, 2016
Exos Saga was developed by Oozoo and published by Eyedentity Mobile, a Korean mobile publisher known for titles such as Iron Knights and Grand Chase M. In terms of structure, it follows a recognizable hero-collecting template similar to Grand Chase M and Eyedentity Mobile’s Wonder5 Masters, combining stage-based progression with automated combat and roster building. Exos Saga launched worldwide on September 29, 2015 after a brief soft launch and reached over 100,000 downloads within a week of its release. Eyedentity Mobile was previously known as Actoz Soft, and it has also published mobile games like One for Eleven and Retimo Adventure. Exos Saga shut down in late 2016, and its successor, Exos Heroes, launched in May, 2020.