- What: Quantum Conundrum
- Where: GMG
- Current Price: £8.00
- Voucher Code: INTER-DIMEN-SIONL
- Quantum Conundrum: Kim Swift Interview
Green Man Gaming are running a neat little voucher code deal for recently-released puzzler Quantum Conundrum, which lops £1.99 off of the retail price. Developed by Portal co-designer Kim Swift, it's an extremely rewarding puzzle game, but the reliance on reflexes means that it's sometimes difficult to implement a solution after you've worked it out.