Comparison

Overdrive II vs Slime Runner

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Overdrive II

Engage in a sci-fi hack and slash adventure set in a post-apocalyptic world. Battle a rogue AI's robot army with your ninja warrior skills. Upgrade your character, collect gear, and influence the story in this offline action RPG.

Highlights
  • Hack and slash platformer gameplay
  • Sci-fi theme and futuristic story
  • Character upgrades and customization
  • Offline playability
  • Modern 3D graphics and realistic physics
  • Story mode with intriguing narrative
Read full description

Are you ready for the sequel to Overdrive – Ninja Shadow Revenge? Overdrive II is a hack and slash platformer shadow fighting game with a sci-fi theme and a futuristic story-line. Overdrive II tells a story of the world 100 years after the Apocalypse. The Fall does not put an end to humankind, but make them stronger than ever. Robots and cyborgs are in support of humans until the rise of a dark corrupted AI, which builds its own army of robots to take over the whole world from mankind. There goes the endless shadow battle between the robotic army and a shadow legion of human ninja warriors who swear to defense their people and this world. The world stands on the edge of an epic war. The mighty force that the Gates of Shadows released many years ago is now an ordinary power source. This shadow energy is both a tool and a weapon, but not everyone wants to keep it this way. Let’s explore the sci-fi design of Overdrive II and enjoy RPG experience! This shadow revenge game offers you an opportunity to equip your character(s) with Overdrive gears and upgrade them to have special ninja ultimate skills. Be a part of the justice legion and fight your way to victory. Make every slash of your sword counts! Choose your looks and a fighting weapon before you decide the fate of this world. Collect tons of different weapons and armor on your journey. Unlock special abilities by collecting unique sets. Influence the storyline by choosing your faction. AMAZING FEATURES of the game: - Enjoy modern 3D-graphics, realistic physics and animation. - Playable OFFLINE, so no more worries of no Internet when playing this shadow game. - Smooth and intuitive warrior fighting game control experience to crush enemies and slay bosses. - Characters to be upgraded, customised & equipped with special Overdrive gears and more! - Ultra-stunning sci-fi graphic & effects - Story mode with an intriguing storyline to understand the world within Overdrive II. Are you gonna be the warrior hero of a futuristic world? Deep dive into Overdrive II now! Have any question or feedback to make the game better? Please let us know. Contact us via email: overdrive@gemmob.com Or like our fanpage: https://www.facebook.com/mobilearcadegame/

About

Slime Runner

Features
Read full description

A new type of runner. A great way to pass the time! Try to avoid obstacles and fight the bosses. - 2 game modes: Default and Random. - A wide variety of obstacles and enemies. - 12 slimes to unlock. - 3 bosses to fight! Jump to your SLIMY victory!

Screenshots

Overdrive II4 screens
Slime Runner4 screens

Verdict

The call

The clearest difference is ads: Slime Runner at none against Overdrive II's shown. Slime Runner also leads on iOS requirement (9.0 vs 15.0). Overdrive II's advantage is update cadence (every 6 days vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Overdrive II sells 10 one-off in-app purchases and Slime Runner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Overdrive II ships an update every 6 days, Slime Runner every 6 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
Overdrive II versus Slime Runner: the parameters behind the verdict, then further details
ParameterOverdrive IISlime Runner
PriceFreeFree
Rating4.0 (48 ratings) — better—
Positive reviews56.8% of reviews—
Number of ratings48 — better—
Update frequencyEvery 6 days — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size197 MB139 MB
Age rating9+9+
DeveloperGEM MOBILE SOFTWARE COMPANYEvgeny Grishakov

Bugs and requests

Overdrive II

Reported bugs

12 issues
  • Account deleted without user action
  • Game crashes or won't load
  • Lost all progress after update
  • Weekly missions not registering correctly
  • Cannot enhance items
Show 7 more
  • Cannot progress past certain zones/levels
  • Ad mini-game crashes the game
  • Game freezes on older devices
  • Level cap bugs out game after level 100
  • Starter pack glitched
  • Mission reward pop-ups persist
  • Ads not working

Requested features

7 requests
  • Replay lunar new year event
  • Add more playable characters
  • Allow control customization
  • Implement cross-save functionality
  • Explain how to get the fourth ability
Show 2 more
  • Add more challenging sectors
  • Remove level cap

Slime Runner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Overdrive II

One-time10
  • Gem pack 1$2.99
  • Sheild Drone$2.99
  • Gun Drone$2.99
Show 7 more
  • Remove Ads$2.99
  • Gem pack 2$4.99
  • Gem pack 3$9.99
  • Gem pack 4$19.99
  • Dagger S Sword$19.99
  • Jade General Sale 20%$39.99
  • Amber Paladin$49.99
1 purchases

Slime Runner

One-time1
  • No Ads$1.99

Questions

Is Overdrive II free?
Overdrive II is free to download, with in-app purchases available.
Is Slime Runner free?
Slime Runner is free to download, with in-app purchases available.
Do Overdrive II or Slime Runner have ads?
Overdrive II shows ads; Slime Runner does not.
Which is updated more often, Overdrive II or Slime Runner?
Overdrive II ships an update every 6 days, and Slime Runner every 6 weeks. Most recently, Overdrive II was updated on October 24, 2026 and Slime Runner on October 26, 2026.

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