The computer game Lightmatter was created by the Danish corporation Tunnel Vision Games. The creators drew inspiration from many game projects, for example, Portal. Thanks to the joint efforts of six creators, a high-quality, elaborated and interesting puzzle appeared from a free student project. According to the plot, the user will be in an alternative reality. It created photonic technology, which is presented as a renewable and highly efficient energy source. Users have to take control of the hero, who was transferred to a new reality and found himself at the first presentation of this project.