Comparison

Slaughter vs Cosmic Robots

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

Head to head
About

Slaughter

Embark on a perilous journey as a mercenary fighting through a city of madmen. Engage in a story-driven campaign or test your endurance in an arena mode, battling hordes of enemies and formidable bosses with a vast arsenal of weapons.

Highlights
  • Single-player campaign mode
  • Survival arena mode
  • Variety of weapons
  • Hordes of enemies
  • Boss battles
  • Beautiful graphics
  • Excellent optimization
Read full description

You are Russell - a mercenary who was imprisoned in a city inhabited by madmen! He has a long journey to freedom lying through grim streets of abandoned town. Grab a gun and sweep your way through hordes of lunatics and horrendous bosses! In the "Slaughter" you can play a single player campaign and survival mode (arena mode) - Single-player campaign mode — a complete walkthrough with the story part and lots of action. To escape from captivity, Russell has to overcome various obstacles, as well as shoot lots of enemies. But don't worry, there is lots of weapons for it, which you will find in the course of the passing game. - Survival mode - you need to stay as long as possible, fighting off waves of enemies. By passing the wave you are given money and experience. With money you can buy new guns, recruit soldiers, or buy special portable turrets. The experience increases your level, opening up access to new weapons and giving the opportunity to gain money faster. To summarize, Slaughter is: - Classic shooter with a single campaign - Arena mode with three different locations - Tons of weapons - Tons of enemies! - Battles with bosses - Beautiful graphics with excellent optimization I do not even understand what you are still waiting! Have a good game!

About

Cosmic Robots

Features
Read full description

Prepare for an epic tower defense showdown as you defend your planet against waves of incoming robot invaders! Strategically place powerful turrets armed with lasers, plasma balls, rockets, and more along the pathway connecting your planet to the enemy's. Lead an army of diverse robots, each with its specialized weaponry and tactics. From sleek drones to hulking tanks and towering walkers, every unit brings a unique edge to the battlefield. Unleash laser-guided rockets, and beware colossal big bosses armed with plasma cannons. The fate of your planet hangs in the balance as you repel the metallic invaders and secure victory.​ Across multiple stages featuring diverse planets and formidable robot races, the challenge intensifies. Quick reflexes and cunning strategy will be your greatest assets as you fend off increasingly formidable waves of invaders and unleash devastating attacks on the enemy world. Enhance your defenses by upgrading turrets, unlocking new and more powerful options to repel the robotic threat. With vibrant graphics, addictive gameplay, and a cast of charming characters, this captivating tower defense game promises hours of entertainment for players of all ages. Get ready to defend your planet and launch an epic counter-offensive against the metallic threat! Features • Place turrets • Deploy robot defenders • Epic battles • Three levels of difficulty • Full controller support • Touch Support

Screenshots

Slaughter4 screens
Cosmic Robots4 screens

Verdict

The call

The clearest difference is price: Cosmic Robots at Free against Slaughter's $0.39. Cosmic Robots also leads on update cadence (weekly vs every 3 months) and iOS requirement (13.0 vs 15.6). Slaughter's advantage is ads (none vs shown). On 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

Cosmic Robots is free to download; Slaughter costs $0.39 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Slaughter ships an update every 3 months, Cosmic Robots weekly. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
Slaughter versus Cosmic Robots: the parameters behind the verdict, then further details
ParameterSlaughterCosmic Robots
Price$0.39Free — better
Rating4.4 (47 ratings) — better—
Positive reviews86.4% of reviews—
Number of ratings47 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size591 MB318 MB
Age rating17+9+
DeveloperSergey SukharevAniode

In-app purchases

None

Slaughter

No in-app purchases

None

Cosmic Robots

No in-app purchases

Questions

Is Slaughter free?
Slaughter costs $0.39, with no in-app purchases.
Is Cosmic Robots free?
Cosmic Robots is free to download, with no in-app purchases.
Do Slaughter or Cosmic Robots have ads?
Cosmic Robots shows ads; Slaughter does not.
Which is updated more often, Slaughter or Cosmic Robots?
Slaughter ships an update every 3 months, and Cosmic Robots weekly. Most recently, Slaughter was updated on October 14, 2026 and Cosmic Robots on September 28, 2026.

Other comparisons