Alien Invasion: RPG Idle Space vs Shadow Fight 2

How do Alien Invasion: RPG Idle Space and Shadow Fight 2 compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

	Alien Invasion: RPG Idle Space	Shadow Fight 2
Genre	Role Playing	Role Playing
Price	Free	Free
Difficulty	medium	medium
Ad intensity	high	high
In-app-purchase pressure	high	medium
Typical session	variable	medium
Rating	4.8 / 5	4.8 / 5
Ratings count	126,173	269,067
Reviews say	What players like Engaging core loop of evolving and devouring enemies Fun for casual play in short bursts (idle mechanics) Solid gameplay concept and entertaining visuals Common complaints Excessive ads that dominate screen and are difficult to exit Extremely long grinding to progress at reasonable pace High IAP pressure with constant monetization offers	What players like Intuitive combat mechanics praised for touchscreen controls Extensive customization with weapons, armor, and abilities Rich content with 6 worlds and engaging storyline Common complaints Ads appear after nearly every fight, interrupting flow Excessive ad frequency has increased significantly over time Recurring large downloads (500MB weekly) drain storage

Alien Invasion: RPG Idle Space — Evolve your alien by devouring humans and defeating bosses in this idle RPG, but prepare for relentless ads and grinding. (rated medium difficulty, high ad pressure) Shadow Fight 2 — A martial arts fighting RPG where you battle through the Underworld with customizable weapons, armor, and techniques. (rated medium difficulty, high ad pressure)

Data: Apple App Store, as of 2026-07-10. Last updated 2026-07-10.