+ "Explosive captures (v1)": "Explosive captures (v1)",
+ "Explosive captures (v2)": "Explosive captures (v2)",
+ "Extra bishops and knights": "Extra bishops and knights",
+ "Faster development": "Faster development",
+ "Four new pieces": "Four new pieces",
+ "Free initial setup": "Free initial setup",
+ "Friendly pieces": "Friendly pieces",