Bomb (U+1F4A3) 💣was approved as part of Unicode 6.0 in 2010 and added to Emoji 1.0 in 2015.Spiral Shell (U+1F41A) 🐚 was approved as part of Unicode 6.0 in 2010 and added to Emoji 1.0 in 2015.
Exey Panteleev | CC BY 2.0