Brain Test 4: Tricky Friends for iPhone

Quick snapshot: What this app is

Brain Test 4 — Tricky Friends is a free puzzle game for iPhone created by UNICO STUDIO LLC. It builds on the familiar Brain Test formula while adding fresh elements, new faces, and a stream of original brain teasers designed to challenge veteran players and newcomers alike. A paid alternative often suggested to users is Minecraft.

New twists and additions

The fourth installment refreshes the series with several notable upgrades:

• Expanded character roster and customization for both characters and environments.
• New puzzle types and unexpected solutions that reward outside-the-box thinking.
• An upgraded hint system to help when puzzles become particularly tricky.
• Regular level drops to keep the challenge feeling new.

Cast, personalities, and customization

Meet several memorable members of the Tricky Club and give them a personal touch:

• Tricky Lily — a sly, puzzle-loving character with a mischievous streak.
• Astrodog — a quirky companion who appears in a number of brain teasers.
• Custom outfits, backgrounds, and visual tweaks let you tailor the look of the game world.

How the game plays

Gameplay focuses on short, clever puzzles that often demand lateral thinking rather than rote answers. Highlights include:

• Many levels that range from simple to fiendishly difficult, suitable for repeat plays.
• Dialogue and light storytelling between puzzles that add humor and context.
• Solutions that frequently surprise, encouraging creative problem solving.

Accessibility and convenience

Designed for casual play and portability:

• One-handed controls let you play comfortably on the go.
• Offline functionality means puzzles remain playable without an internet connection.
• Family-friendly content aimed at players of all ages.

Cost and availability

Brain Test 4 is free to download from the iPhone App Store. While the core experience is available at no charge, optional in-game purchases and ads may be present to support ongoing updates and new levels.