Alien Invasion: RPG Idle Space vs I Am Monkey - original game

How do Alien Invasion: RPG Idle Space and I Am Monkey - original game 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	I Am Monkey - original game
Genre	Role Playing	Role Playing
Price	Free	Free
Difficulty	medium	easy
Ad intensity	high	high
In-app-purchase pressure	high	high
Typical session	variable	short
Rating	4.8 / 5	4.8 / 5
Ratings count	126,173	140,009
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 Funny and entertaining concept Engaging sandbox interactivity with objects Highly replayable with unpredictable visitor behavior Common complaints Excessive ads (5+ per 30 seconds, even after paying for no-ads) Paid ad-removal doesn't work; ads continue after purchase Audio bug that removes sound after ads play

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) I Am Monkey - original game — Play as a zoo monkey interacting with visitors and objects in a chaotic, humorous sandbox environment. (rated easy difficulty, high ad pressure)

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