| Format | Extension | Compression Ratio | Best For | |--------|-----------|-------------------|-----------| | ISO (Uncompressed) | .iso | 0% | Original rips | | CSO (Compressed ISO) | .cso | 40-60% | | | CHD (Compressed Hunks of Data) | .chd | 55-70% | Emulators (PC/Android) | | PBP (PSP Bundle) | .pbp | 60-70% | PS1 on PSP (converted) |
The outbreak had begun with little fireworks—odd fever reports, an emergency hospital wing here, a corporate press release there. Then the lights started going out. The city learned to listen to alarms and not to answer them. By the time the government sent armored vehicles, the city had become a calculus of threats: the infected, the paramilitary collectors, the scavengers. Survival meant knowing which threats to fight and which to ignore.