Blackbox vs Nostalgia Duels
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Blackbox
This puzzle game challenges you to solve intricate problems without touching the screen. It utilizes minimalistic visual cues, sonic interfaces, and haptic feedback to guide you through unique challenges that require thinking outside the box. Discover a new way to interact with your device and prove your cleverness.
- Touchless gameplay
- Minimalistic visual clues
- Sonic interfaces
- Haptic feedback
- External puzzle solving
- Easter eggs
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So you think you understand this thing you’re holding? Think again. Stop tapping. Stop swiping. In fact, stop touching the screen at all. To crack Blackbox’s puzzles you’ll need to find solitude and stillness, climb mountains, call on friends, get in tune with the cosmos, and think outside the box. Minimalistic visual clues make for incredibly satisfying “Aha!” moments, while sonic interfaces provide an extra level of guidance and nuance that makes Blackbox accessible with or without vision. Thoughtful haptic feedback, Easter eggs on Easter eggs, and solutions that can’t be found beneath the glass of your screen redefine what a puzzle can be. You’ll never see your device the same way again. Think you’re clever? Prove it. (Blackbox is a living game under active development by Ryan McLeod. When not eating burritos or drinking coffee, he’s busy designing and developing new Blackbox challenges.) ■
Nostalgia Duels
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Prove You're the Ultimate 90s & 2000s Kid Nostalgia Duels turns everything you loved about growing up in the 90s and 2000s into fast, social trivia battles. Test your memory across four themed arenas, challenge friends in real time, and settle once and for all who really remembers the good old days. The Tube Arena Saturday-morning cartoons and after-school TV — Rugrats, Hey Arnold!, CatDog, Danny Phantom, Kim Possible, Power Rangers, and more. The Shonen Clash Arena The anime and trading cards that ran recess — Pokémon, Yu-Gi-Oh!, Naruto, and Dragon Ball Z. The Pop & Playground Arena Blockbusters, boy bands, and playground fads — Harry Potter, The Lord of the Rings, the Star Wars prequels, Shrek, Y2K pop, Disney Channel Original Movies, Beanie Babies, and Tamagotchis. The Cartridge & Disc Arena Handhelds and couch co-op consoles — Game Boy, N64 GoldenEye, Crash Bandicoot, Spyro, Guitar Hero, Halo, and Wii Sports. Battle Friends & AI Challenge friends to real-time multiplayer trivia battles or face off against AI opponents across multiple difficulty levels. Earn points for speed and accuracy. Tournaments Climb the brackets in themed tournaments and prove you're the reigning nostalgia champion. Party Mode Host live trivia for game night — everyone joins on their own device for a fast, competitive group showdown. More Features: • Daily streaks & progress calendar to keep your run alive • XP, coins & customizable avatars • Fresh AI-generated questions so no two duels feel the same • Global leaderboards & friend rivalries • No ads required to enjoy the full experience Whether you were a cartoon kid, a card-game shark, a movie buff, or a console gamer, Nostalgia Duels has an arena with your name on it. Grab your friends and duel.
Screenshots
Verdict
The clearest difference is in-app purchases: Nostalgia Duels at none against Blackbox's 10. Nostalgia Duels also leads on iOS requirement (13.0 vs 16.6). Blackbox's advantage is chart position (#36 vs unranked). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Blackbox sells 10 one-off in-app purchases. Nostalgia Duels asks for nothing beyond the download.
| Parameter | Blackbox | Nostalgia Duels |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (109K ratings) — better | — |
| Positive reviews | 92.6% of reviews | — |
| Number of ratings | 109K — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #36 — better | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 209 MB | 6 MB |
| Age rating | 4+ | 12+ |
| Developer | Shapes and Stories LLC | Everlight Solutions LLC |
Bugs and requests
Blackbox
Reported bugs
2 issues- Hints not working as expected
- Progress reset after app update
Requested features
4 requests- Add ability to earn hint credits through watching ads
- Include more free puzzles
- Improve accessibility for users with limited mobility
- Provide better guidance and instructions for puzzles
Nostalgia Duels
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Blackbox
- Tiny Hint Pack$1.19
- Small Hint Pack$2.39
- Erudite Pack$2.99
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- Push Pack$2.99
- Coffee for Ryan$4.49
- Basic Pack$4.99
- Medium Hint Pack$5.00
- All Knowing Pack$7.99
- Large Hint Pack$10.00
- Extra Large Hint Pack$20.00
Nostalgia Duels
No in-app purchases







