Best Complex Games

238+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Elevate is the household name in complex games, but it's far from the only option. We track 238+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Complex Games

Elevate - Brain Training Games#1

Elevate - Brain Training Games by Elevate Labs, LLC

Vocab, Memory, & Math Puzzles
Editor's Choice
📚 Education
4.8😊(532K ratings)
FreeAdsIn-App Purchases
#17in Education
Elevate - Brain Training Games screenshot 1
Elevate - Brain Training Games screenshot 2
Elevate - Brain Training Games screenshot 3
Elevate - Brain Training Games screenshot 4
Elevate - Brain Training Games screenshot 5
Elevate - Brain Training Games screenshot 6

Improve your mental fitness with a variety of brain training games designed to enhance vocabulary, memory, and more. Elevate your cognitive skills today!

What We Love

  • 🚀 Effective brain training
  • 👍 Enjoyable and engaging games
  • ✨ Improves cognitive abilities
  • 💡 Customizable training

Room to Improve

  • 🐛 Occasional glitches and bugs
  • ⏱️ Overly focused on speed rather than learning
  • 💰 Expensive subscription
Peak - Brain Training#2

Peak - Brain Training by Synaptic Labs

Better games for smarter minds
Strong Contender
📚 Education
4.7😐(146K ratings)
FreeAdsIn-App Purchases
Peak - Brain Training screenshot 1
Peak - Brain Training screenshot 2
Peak - Brain Training screenshot 3
Peak - Brain Training screenshot 4
Peak - Brain Training screenshot 5
Peak - Brain Training screenshot 6

Challenge your mind and maximize your potential with a collection of 45 brain-training games across six categories. Track your progress, compete with friends, and unlock your full brain training experience with Peak - the ultimate mental workout app. Download for free or upgrade to Pro for advanced training modules. Start your brain training journey today!

What We Love

  • 💪 Challenging and engaging games
  • 🧠 Effective brain training
  • 📊 Detailed progress tracking
  • 🔍 Variety of game categories

Room to Improve

  • 🔍 Limited free games
  • 💰 Expensive subscription
  • 🔁 Repetitive game content
aa#3

aa by General Adaptive Apps Pty Ltd

Tap. Fail. Rage. Tap. WIN!
Worth Considering
🎮 Games
3.9😊(10K ratings)
FreeAdsIn-App Purchases
aa screenshot 1
aa screenshot 2
aa screenshot 3

Experience the ultimate "hello world" app for iPhones and iPads with aa. Explore an interactive and engaging platform that showcases the beauty of simplicity. Try aa now for a minimalist and enjoyable experience.

What We Love

  • 🚀 Fun and addictive gameplay
  • 👍 Simple and challenging
  • 🎨 Customizable colors
  • 💯 Satisfying when passing levels

Room to Improve

  • 🔍 Inconsistent difficulty levels
  • 📺 Too many ads
  • 🐛 Glitches and crashes

More Complex Games apps to explore

4
Offline Games - No Wifi Games
Offline Games - No Wifi Games
Offline Games - No Wifi Games
Classic brain train minigames
Free

"Enjoy a collection of over 20 unique offline minigames for all ages, from classic numbers and word challenges to thrilling mind-bending experiences. Test your skills in chess, hangman, and more, all without needing an internet connection. Challenge yourself, pass the time, and have endless fun – play 'Offline Games' today!"

🎮 Games
(320K)
5
Brain Test: Tricky Puzzles
Brain Test: Tricky Puzzles
Brain Test: Tricky Puzzles
Can you solve them all?
Free

An addictive free puzzle game with tricky brain teasers to challenge your mind, break common sense, and provide a new brain-pushing experience. Enjoy with friends, enhance your brain with different riddles and tests, think out of the box, crack puzzles, and take the quiz for a fun and tricky brain teaser experience.

🎮 Games
(240K)
6
Daddy Long Legs
Daddy Long Legs
Daddy Long Legs
by Set Snail ApS
Free

Experience the ultimate challenge in an endless walking game where you control a spider with impossibly long legs. Play as Daddy or his Horse, collect rewards, unlock costumes, and compete for high scores in this quirky and entertaining app. If you enjoy difficult challenges and hilarious faceplants, give it a try today!

🎮 Games
(24K)
7
Brain Games - Left vs Right
Brain Games - Left vs Right
Brain Games - Left vs Right
Mind Puzzles & Memory Training
Free

Engage your brain with a variety of mind puzzles and challenges to exercise both the left and right sides of your brain. Sharpen your cognitive abilities and improve mental agility through fun and interactive games designed to stimulate thinking and problem-solving skills. Start playing today to boost your brainpower!

🎮 Games
(24K)
8
Brick Block - Puzzle Game
Brick Block - Puzzle Game
Brick Block - Puzzle Game
Classic and addictive
Free
🎮 Games
(12K)
9
Cross Logic Puzzle Game
Cross Logic Puzzle Game
Cross Logic Puzzle Game
Solve clue grid puzzles
Free

Solve challenging logic puzzles and boost your brainpower with this engaging game! Progress through levels, solve mysteries, and have fun while exercising your mind. Download now and challenge yourself with Cross Logic!

🎮 Games
(49K)
10
Water Sort Puzzle
Water Sort Puzzle
Water Sort Puzzle
Color sorting puzzle games
Free

A color sorting puzzle game where players must carefully pour colored water between glasses to group them together. Exercise your brain with this addictive and challenging yet relaxing game. Simply tap to pour and match colors!

🎮 Games
(324K)
11
MindPal - Brain Training Games
MindPal - Brain Training Games
MindPal - Brain Training Games
Fun Brain Games
Free

Train your brain with MindPal! Challenge memory, attention, language, and problem-solving skills with personalized daily brain workouts through 40+ educational games. Track progress, compare scores, and unlock more with MindPal Pro. Start improving your cognitive abilities now!

📚 Education
(84K)
12
Crafting Idle Clicker
Crafting Idle Clicker
Crafting Idle Clicker
Craft complex production lines
Free

Craft complex production lines in this crafting tycoon game where you mine resources, craft goods, and sell them automatically. Customize your workshop, unlock achievements, and ascend levels while enjoying multiple playstyles. Join over one million players and help make it the best idle clicker game on mobile!

🎮 Games
(3.4K)
13
The Complex
The Complex
The Complex
An interactive sci-fi thriller
Free

Embark on an interactive sci-fi thriller in a locked-down laboratory post bio-weapon attack, where your choices shape relationships and lead to eight possible endings. Track relationships and personality traits to unravel suspenseful scenes in this gripping narrative experience by an Emmy award-winning writing team.

🎮 Games
(155)
14
Brain Puzzle Games for Adults
Brain Puzzle Games for Adults
Brain Puzzle Games for Adults
Thinking Test for Mind,Memory
Free

An engaging brain puzzle game for adults that offers fun daily challenges to test and improve your brain's age and memory. Upgrade to the Premium version for ad-free unlimited access to all games with a monthly subscription and a 7-day free trial. Privacy Policy: [Link]. Terms of Use: [Link]. Enjoy enhancing your cognitive skills!

🎮 Games
(17K)
15
Auralux: Constellations
Auralux: Constellations
Auralux: Constellations
by War Drum Studios LLC
Free

Experience a relaxing yet challenging real-time strategy game with vibrant graphics and ambient music. Strategize your way through 150 unique levels, engage in online multiplayer battles, and explore new modes and maps. Test your skills in this cerebral experience where every decision counts.

🎮 Games
(5.1K)
16
Lumosity: Brain Training Games
Lumosity: Brain Training Games
Lumosity: Brain Training Games
Play Brain Games & Puzzles
Free

Improve your cognitive skills with a fun and interactive brain training app that offers personalized challenges and detailed insights on your progress. Join over 100 million users worldwide in enhancing memory, speed, logic, problem-solving, and more. Start your brain training journey today!

📚 Education
(2.2K)
17
Logic Riddle-Puzzle Games
Logic Riddle-Puzzle Games
Logic Riddle-Puzzle Games
Brain Training Board Games
Free

"Train your brain with Logic Riddle - a collection of challenging logic puzzles. Decode clues, fill the grid, and progress through thousands of puzzles of varying difficulty levels. Subscription available for extra features, but not required for basic gameplay."

🎮 Games
(22K)
18
Mind Games - Brain Training
Mind Games - Brain Training
Mind Games - Brain Training
by Mindware Consulting, Inc
Free

Exercise your brain with a collection of free games designed to improve different mental skills. Track your progress, receive personalized exercise recommendations, and challenge yourself with Mind Games! Start training your brain today.

📚 Education
(12K)
19
One Line One Stroke Mind Game
One Line One Stroke Mind Game
One Line One Stroke Mind Game
Connect dots with lines!
Free

"Exercise your brain with One Line One Stroke mind game! Connect dots with lines in a challenging brain puzzle game. Train your mind with daily challenges, hints available, and hundreds of free packs to enjoy everywhere."

🎮 Games
(12K)
20
Soul.io 3D - .io Games For Fun
Soul.io 3D - .io Games For Fun
Soul.io 3D - .io Games For Fun
NEW - Most Fun .io games
Free

Experience a variety of .io games, including Classic, Team, Tag, and Battle Royale modes, in Soul.io 3D. Customize your character, compete to top the leaderboard, and complete quests to earn rewards in this fun and challenging gaming app. Ready to be the biggest monster or soul knight? Try Soul.io 3D now!

🎮 Games
(4.1K)