| Units have health, battles in rounds | New | β | β | β | β | β | β | β |
| Elite units | New | β | β | β | β | β | β | β |
| Healing every turn | New | β | β | β | β | β | β | β |
| Railroads in cities | New | β | β | β | β | β | β | β |
| GoTo on railroads | New | β | β | β | β | β | β | β |
| Manual save slots and autosaves | New | β | β | β | β | β | β | β |
| Load Game in the game menu | New | β | β | β | β | β | β | β |
| Alt+H always helps | New | β | β | β | β | β | β | β |
| Demographics fixed in large empires | New | β | β | β | β | β | β | β |
| Pillage fixed next to foreign cities | New | β | β | β | β | β | β | β |
| Better random numbers | New | β | β | β | β | β | β | β |
| Dissolving pictures: title logo, new buildings, palace, replay | New | β | β | β | β | β | β | β |
| Maximized window, F11 for full screen | New | β | β | β | β | β | β | β |
| Wonders never become obsolete | β | New | β | β | β | β | β | β |
| Boarding a ship ends the moves | β | New | β | β | β | β | β | β |
| Help when the game files are missing | β | New | β | β | β | β | β | β |
| Upgrade units for gold, also in the Civilopedia | β | β | New | β | β | β | β | β |
| Smaller download: 20 MB instead of 46 MB | β | β | New | β | β | β | β | β |
| Continuous city projects: Wealth, Research, and Food (50% shields conversion) | β | β | β | New | β | β | β | β |
| Resource quantity badges centered on city screen resource icons | β | β | β | New | β | β | β | β |
| Occupied vs free yield split for food and shields (e.g. 20/2, 3/8) | β | β | β | New | β | β | β | β |
| Fixed and upgraded audio support (PC Speaker, Tandy 1000, AdLib, Roland MT-32, General MIDI) β see the Sound page for more details | β | β | β | New | β | β | β | β |
| Expanded manual saves to 20 slots (CIVIL0βCIVIL19) | β | β | β | β | New | β | β | β |
| In-game Sound menu to switch audio modes on the fly | β | β | β | β | New | β | β | β |
| Richer advisor reports: science pace, trade report financials & net cashflow, empire city totals | β | β | β | β | New | β | β | β |
| DLC: Poland (Casimir the Great) and Japan (Tokugawa) at top of tribe selection | β | β | β | β | β | New | β | β |
| Authentic MIDI national anthems (Mazurek DΔ
browskiego & Kimigayo) across all 8 sound drivers | β | β | β | β | β | New | β | β |
| Red-and-white 2-pixel striped uniforms and city banners for Poland and Japan | β | β | β | β | β | New | β | β |
| True Earth map starting positions & 48 authentic cities each | β | β | β | β | β | New | β | β |
| Sound selection screen highlights top choices ("best -> 5", "best -> 7") | β | β | β | β | β | New | β | β |
| Diplomacy rejection and war declaration audio logic fixes | β | β | β | β | β | New | β | β |
| Diplomacy rework: vendettas expire, reparations, peace counter, treaties protect for 16 turns | β | β | β | β | β | β | New | β |
| War Advisor (F12): mood, reasons of hostility, forecast of the next audience, T to talk to a ruler | β | β | β | β | β | β | New | β |
| Production queue with the QUE button; wider production box in the city screen | β | β | β | β | β | β | New | β |
| Automated settlers: 5 modes, all cities or one city, A on the icon, smart work order, jungle and swamp | β | β | β | β | β | β | New | β |
| Fastest GoTo over the whole map, sticks to railroads and roads | β | β | β | β | β | β | New | β |
| Fairer stack combat: only the defender dies, the rest lose 2 hit points | β | β | β | β | β | β | New | β |
| Elite rank shown (E), elite units roll two lost combat rounds again, square health pips | β | β | β | β | β | β | New | β |
| Civilian ships (Trireme, Sail, Transport) cause no unhappiness; Frigate is a 50-shield warship; new ship upgrade chains | β | β | β | β | β | β | New | β |
| New Civilopedia entries Diplomacy, War, Automation; Alt+H lists the new keys | β | β | β | β | β | β | New | β |
| Queues and automation saved in a compatible .EXT file | β | β | β | β | β | β | New | β |
| Civil disorder warning before the end of turn, with automatic entertainers | β | β | β | β | β | β | β | New |
| Sentried units wake up when an enemy stands next to them | β | β | β | β | β | β | β | New |
| Courthouse removes three quarters of the corruption | β | β | β | β | β | β | β | New |
| The Senate allows war against a civilization with a vendetta or a plan to break the peace | β | β | β | β | β | β | β | New |
| Computer expansion measured in headless games: 21-60% more cities | β | β | β | β | β | β | β | New |
| New Civilopedia entry City Rules | β | β | β | β | β | β | β | New |