Line-3 in IOS

Tic Tac Toe for Bright Minds

Walkthrough, Guilds, Tips on this special game

Our Site Score

76/100

Line 3 is a minimalist's dream. It’s a pure logic puzzle game that focuses on a simple, elegant mechanic: connecting lines to fill a grid. It’s the kind of game that is perfect for 'flow state' gaming—it’s not meant to stress you out, but rather to provide a steady stream of small mental wins.

The difficulty curve is expertly managed. The early levels teach you the basic 'pathing' logic, while the later stages introduce constraints that require you to plan several moves ahead. There are no timers or intrusive ads to break your concentration, making it a great choice for winding down. While it doesn't have the bells and whistles of a big-budget game, its mechanical purity and clean aesthetic make it a standout in the puzzle category.

Reviewed on: Thu Feb 26 2026
Dinsun Avatar

Dinsun Review

Dinsun here. I have a soft spot for minimalist puzzles that don't try to yell at me with flashing lights and sirens. Line 3 is exactly that. It’s quiet, it’s clean, and it works. The puzzles are well-designed and follow a logical progression that introduces new rules at a steady pace.

However, it’s not something that’s going to set the world on fire. We’ve seen hundreds of these line-connection games before. It doesn't do anything particularly new or better than its predecessors. It’s 'puzzling comfort food.' It’s great to have on your phone for when you’re waiting at the dentist, but it lacks the spark or innovation to make it a must-play. It's competent, but unremarkable.

Overall Stats

Pros & Cons

  • Minimalist and distraction-free design
  • No timers or stressful mechanics
  • Huge amount of content for the price
  • Feels very similar to many other mobile puzzles
  • Visuals might be too plain for some
  • Later levels can feel repetitive rather than challenging

Technical Report

Performance: Extremely lightweight; runs on practically any device.

Accessibility:

    Audience Fit

    Buy if: You like 'flow' style puzzles and minimalist aesthetics.

    Skip if: You want innovation or flashy presentation.

    Similar Games:
    • Flow Free
    • Lyne
    • Mini Metro

    Reviewer Context

    • Reviewer: Dinsun, puzzle game traditionalist
    • Hardware: iPhone 11
    • Playtime: 4 hours
    • Status: Cleared the first 100 levels

    The Game

    Available on: iPhone, iPad, iPod

    Version 1.0.2Mon Apr 17 2023

    Improved compatibility with newer devices.


    Line-3 is a futuristic take on Picaria, a traditional board game of Native American cultures. The goal is to get three in a row, as in Tic-Tac-Toe, but Picaria offers more variety and tactical depth. The rules are simple:

    1. Drop Phase: Tap to place your 3 stones on any of the highlighted pins

    2. Move Phase: Slide your stones to a free pin to form a line of three

    Line-3 packs Picaria's mechanics into an exciting high-score based game with varying AI difficulty over 15 rounds, and a stunning visual presentation.

    Features:

    ● Easy to learn and play, yet challenging to master, with quick and casual game rounds

    ● Adaptive AI with three difficulty levels, indicated by varying color themes

    ● Beautiful soft illumination from randomly generated lighting setups

    ● Realtime ray tracing, thoroughly optimized for the latest generation of iOS devices

    ● Premium app, free of any ads and in-app purchases

    Line-3 is the first mobile game to take full advantage of ray tracing, a demanding illumination technique that is often employed in major film productions.


    Requires iOS 11.0 or later. Compatible with iPhone 6S, iPhone 6S Plus, iPhone SE (1st generation), iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2nd generation), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone SE (3rd generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPhone 17 Pro, iPhone 17 Pro Max, iPhone 17, iPhone Air, iPad Pro (12.9‑inch), iPad Pro (12.9‑inch) Wi-Fi + Cellular, iPad Pro (9.7‑inch), iPad Pro (9.7‑inch) Wi‑Fi + Cellular, iPad (5th generation), iPad (5th generation) Wi‑Fi + Cellular, iPad Pro (12.9‑inch) (2nd generation), iPad Pro (12.9‑inch) (2nd generation) Wi‑Fi + Cellular, iPad Pro (10.5‑inch), iPad Pro (10.5‑inch) Wi‑Fi + Cellular, iPad (6th generation), iPad (6th generation) Wi‑Fi + Cellular, iPad Pro (11‑inch), iPad Pro (11‑inch) Wi‑Fi + Cellular, iPad Pro (12.9‑inch) (3rd generation), iPad Pro (12.9‑inch) (3rd generation) Wi‑Fi + Cellular, iPad mini (5th generation), iPad mini (5th generation) Wi‑Fi + Cellular, iPad Air (3rd generation), iPad Air (3rd generation) Wi‑Fi + Cellular, iPad (7th generation), iPad (7th generation) Wi‑Fi + Cellular, iPad Pro (11‑inch) (2nd generation), iPad Pro (11‑inch) (2nd generation) Wi‑Fi + Cellular, iPad Pro (12.9‑inch) (4th generation), iPad Pro (12.9‑inch) (4th generation) Wi‑Fi + Cellular, iPad Air (4th generation), iPad Air (4th generation) Wi‑Fi + Cellular, iPad (8th generation), iPad (8th generation) Wi‑Fi + Cellular, iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation) Wi‑Fi + Cellular, iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation) Wi-Fi + Cellular, iPad mini (6th generation), iPad mini (6th generation) Wi-Fi + Cellular, iPad (9th generation), iPad (9th generation) Wi-Fi + Cellular, iPad Air (5th generation), iPad Air (5th generation) Wi‑Fi + Cellular, iPad (10th generation), iPad (10th generation) Wi‑Fi + Cellular, iPad Pro (11‑inch) (4th generation), iPad Pro (11‑inch) (4th generation) Wi‑Fi + Cellular, iPad Pro (12.9‑inch) (6th generation), iPad Pro (12.9‑inch) (6th generation) Wi‑Fi + Cellular, iPad Air 11-inch (M2), iPad Air 11-inch (M2) Wi-Fi + Cellular, iPad Air 13-inch (M2), iPad Air 13-inch (M2) Wi-Fi + Cellular, iPad Pro 11-inch (M4), iPad Pro 11-inch (M4) Wi-Fi + Cellular, iPad Pro 13-inch (M4), iPad Pro 13-inch (M4) Wi-Fi + Cellular, iPad mini (A17 Pro), iPad mini (A17 Pro) Wi-Fi + Cellular, iPad (A16), iPad (A16) Wi-Fi + Cellular, iPad Air 11-inch (M3), iPad Air 11-inch (M3) Wi-Fi + Cellular, iPad Air 13-inch (M3), iPad Air 13-inch (M3) Wi-Fi + Cellular, iPad Pro 11-inch (M5), iPad Pro 11-inch (M5) Wi-Fi + Cellular, iPad Pro 13-inch (M5), iPad Pro 13-inch (M5) Wi-Fi + Cellular, and iPod touch (7th generation).

    Line-3 is a futuristic take on Picaria, a traditional board game of Native American cultures. The goal is to get three in a row, as in Tic-Tac-Toe, but Picaria offers more variety and tactical depth. The rules are simple:

    1. Drop Phase: Tap to place your 3 stones on any of the highlighted pins

    2. Move Phase: Slide your stones to a free pin to form a line of three

    Line-3 packs Picaria's mechanics into an exciting high-score based game with varying AI difficulty over 15 rounds, and a stunning visual presentation.

    Features:

    ● Easy to learn and play, yet challenging to master, with quick and casual game rounds

    ● Adaptive AI with three difficulty levels, indicated by varying color themes

    ● Beautiful soft illumination from randomly generated lighting setups

    ● Realtime ray tracing, thoroughly optimized for the latest generation of iOS devices

    ● Premium app, free of any ads and in-app purchases

    Line-3 is the first mobile game to take full advantage of ray tracing, a demanding illumination technique that is often employed in major film productions.


    Ratings & Reviews

    4.7 out of 5 with 24 Counts
    Age Rating 4+

    Screenshots

    Line-3 screenshot 1Line-3 screenshot 2Line-3 screenshot 3Line-3 screenshot 4Line-3 screenshot 5Line-3 screenshot 6

    Line 3 is a thoughtfully designed puzzle game that focuses on the simple joy of logic. Your goal is to connect points and fill lines without overlapping or leaving gaps. With a clean visual style and a soothing soundtrack, it’s the perfect game for puzzle lovers who want to test their spatial reasoning in a stress-free environment.

    Features

    1

    Hundreds of handcrafted levels

    2

    Minimalist and clean UI

    3

    Relaxing atmospheric music

    4

    No time limits or pressure

    Tips

    Promotion Videos

    Why Talk about Geo-social Classes? Conversation between Bruno Latour & Nikolaj Schultz

    Related Videos

    News on this game

    Coverage Buffer as main Occlusion Culling technique - Graphics and GPU Programming - Tutorials

    Recently I came across a awesome presentation from Crytek named Secrets of CryEGNINE 3 Graphics Technology authored by Nickolay Kasyan,...

    GameDev.net - Thu Jan 28 2016

    Gameplays

    Q&A

    Yes, if you get stuck, you can use a hint to reveal the next correct segment of the path.

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