Build A Player vs ChimpTest
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Build A Player compared with ChimpTest
| Detail | 
Build A Player | 
ChimpTest |
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| What it does | Sports builder game for creating and simulating NFL quarterbacks, wide receivers, and running backs
| A free memory game inspired by Ayumu the chimpanzee at Kyoto University
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Build quarterbacks, wide receivers, or running backs from current NFL stars and all-time legends
- Nine-trait selection system with body map visualization
- Position-specific trait boards for each player type
- Classic mode with current NFL players
- All-Time mode featuring legendary players
- Deterministic simulation for reproducible results
- Shareable result pages with encoded picks and seed
- No account required, local browser storage for game progress
| - Progressive levels that add numbered squares
- Flash window shrinks as difficulty increases
- Three-strike game over system
- Local browser storage of scores
- Challenge links with shared level difficulty
- Customizable flash speed via URL parameter
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| What makes it different | - Independent fan-made project with original ratings not copied from official leagues or commercial games
- Deterministic simulation enables reproducible results and same-board challenges with friends
- Complete fictional season simulation rather than stopping at cosmetic ratings
- Strategy-focused gameplay with meaningful opportunity cost for each decision
- Position-specific builds requiring different strategic approaches
| - Based on genuine peer-reviewed research from Kyoto University's 2007 Ayumu experiment
- No account, no download, no personal data collection
- Includes detailed educational articles about the original experiment and memory science
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 21 ▲ +1 (up) since last check | 6 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 6 |
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| Citation Flow (Majestic) | 21 | 20 |
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| Referring domains (Majestic) | 67 | 3 |
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4 details filled in for both companies.
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