Metal Slug Rush

Review by eFreeware

Arcade shooters were built for a single sitting: a fixed number of stages, a set of lives, a score at the end. Bringing that energy to a phone means rethinking the structure, because a run that ends in three minutes has to leave you wanting another one. Metal Slug Rush, from developer revivecontents, answers that with a survival format: you hold out against waves, gain levels while the fight continues, and see how far the run takes you.

It is a free download in the Action category, carrying ads and in-app purchases, with a content rating of Everyone 10+. The app has over 100,000 installs and a 2.9 average from 1,327 ratings, which tells you the audience is still making up its mind about how the whole package lands.

I want to look at what the game asks of a session, how the run structure works, and what the gear and perk systems add over time.

Rebel soldiers, pirates and Mars People on your phone

The premise stays close to the series it borrows from. You fight through endless waves of Rebel Army soldiers, Pirates and the alien Mars People, with the pixel art that defined the arcade originals rendered for a phone screen. That heritage carries over: characters and enemies from the whole Metal Slug series appear, and the announcer voice is back, the one that shouts weapon names as you pick them up.

Humor is part of the package rather than an afterthought. You rescue POWs during runs and run into Hyakutaro, and the developer pitches the tone as something that keeps you smiling even when a run is going badly. That mix of chaos and comedy is what the series was known for, and it reads as the intended spirit here too.

What appeals to me about this setup is that it does not try to be a straight port. The arcade levels are gone; in their place is a format built around repetition, which is a better fit for a device you carry around than a fixed stage list would be.

How a run actually unfolds

A run starts, the waves come, and you collect experience as you fight. That experience feeds levels gained mid-run, not between sessions, so the character gets stronger while the pressure is still on. Each level gives you perks to choose from, and those choices shape how the hero plays for the rest of that attempt. The developer's phrase for it is that every run brings a fresh experience, and the structure supports that: different perk picks lead to different runs even when the waves follow a similar rhythm.

Equipment sits alongside the perks. You mix and match gear to find a playstyle you like, and combining the right pieces produces synergies that carry you deeper into a mission. That is the layer that rewards paying attention between runs, since a build that works with one set of perks may not work with another.

Death is framed as part of the loop rather than a failure state. Every death is meant to teach you something and every comeback should feel earned, which is the standard roguelite promise: you lose the run, you keep the knowledge, and you come back with a better idea of what to pick. It is a structure that suits short sessions, because a run can end abruptly and still feel like it moved you forward.

Why the loop keeps pulling you back

The replay hook here is the combination of random perks and gear builds. Because the perks arrive mid-run and the equipment is something you assemble, two attempts with the same character can play out quite differently. That variety is what keeps a survival format from feeling like the same fight on repeat, and it is the part of the design I would expect to matter most after the first few hours.

The developer has also been adding to the surrounding systems. The most recent update raised the maximum star level for Supplies and added a random option for them, improved what Supply Boxes contain, and reworked Mission Center rewards. Full Moon login and mission events were added at the same time, and some interface elements and convenience features were improved.

Those changes point to a game that is being tended to rather than left alone, which matters for a title built on repeat runs. If you are the sort of player who wants a reason to come back daily, login and mission events are the usual mechanism for that, and they are now part of the package.

What the free download includes

The game costs nothing to install, and it carries ads. It also offers in-app purchases, and those purchases include chance-based items. This is a free game funded by advertising and by optional spending, with randomized item elements in the mix.

How much that matters depends on how you play. Someone who wants a few runs a week can just play the runs. Someone who wants to push deep into the build systems should go in expecting a game with that kind of economy.

I would not treat the free price as the whole story. The relevant question is whether the loop is good enough that you are content playing the version on offer, and that is a judgment only your own sessions can settle.

The mixed reception, and what it means for you

A 2.9 average across 1,327 ratings is a middling score, and it sits alongside more than 100,000 installs. That combination usually means a game that draws people in with a familiar name and then divides them on how the mobile version handles the formula. I would read it as a signal to set expectations carefully rather than as a reason to avoid the download.

The series heritage will carry some players a long way. If the pixel art, the announcer and the enemy roster are what you remember fondly, those elements are present and the survival structure is a reasonable way to reuse them. If you are coming in without that attachment, the appeal rests entirely on whether the perk and gear loop holds your attention, and the rating suggests that is not guaranteed for everyone.

The content rating is Everyone 10+, so the violence stays in cartoon territory, which fits the arcade origins. The game released on June 13, 2026, and was updated in September of the same year, so it is a recent title with at least one round of tuning behind it.

A run-based shooter for arcade loyalists

Metal Slug Rush is worth installing if you want a free action game built around short, repeatable runs, and you have some affection for the arcade series it draws on. The perk choices, the gear synergies and the wave structure give each attempt a shape of its own, and the humor and pixel art keep the tone light even when a run collapses.

Go in knowing what comes with it: ads and in-app purchases, including chance-based items, on top of a free download. If randomized item systems are not something you want in your games, that is the part to weigh before you start.

The middling rating is the other thing to keep in mind. It reflects a divided audience rather than a clear verdict, and the only way to know which side you land on is to play a few runs and see whether the loop pulls you back.

What's new in version 1.0.8

- Expanded the maximum star level for Supplies - Added a random option system for Supplies - Improved Supply Box contents - Added Full Moon login and mission events - Improved Mission Center rewards - Improved some UI elements and convenience features