Hamsterball Gold is still available for purchase on trusted platforms:

Price range: $4.99 – $9.99 USD.

If your budget is truly zero, try these free, legal PC games that capture the same spirit:

| Game | Platform | Similarity | |------|----------|-------------| | Marble Blast Gold (free open-source clone: “Marble Blast Ultra” fan rebuilds) | PC | Identical rolling-ball physics | | Super Monkey Ball: Banana Blitz HD (not free, but cheap on sale) | Steam | Same slope-rolling action | | Rolling Sky (free, mobile but playable on PC via emulator) | Android/iOS | Timed obstacle rolling | | Switchball HD (free demo) | Steam | Puzzle + ball rolling |

Based on the analysis, the following actions are recommended for the user: