Lives are precious in Super Mario Land 2, especially in the later, more challenging levels. Here are the primary ways to earn extra lives:

- Collecting 100 Coins: Every 100 coins you collect will grant you an extra life. Always try to collect as many coins as possible in each level.
- 1-Up Mushrooms: These rare green mushrooms instantly grant you an extra life. They are often found in hidden blocks or as rewards in bonus games.
- Bonus Games: As mentioned above, hitting the top of the flagpole at the end of a level gives you a chance to play a bonus game, which can reward you with 1-Up Mushrooms.
- Stomping Multiple Enemies: Stomping on multiple enemies consecutively without touching the ground (a 'stomp combo') will eventually start awarding extra lives. This is a high-skill way to earn lives.
- Hitting the Top of the Flagpole: While it primarily leads to bonus games, hitting the very top of the flagpole also awards a significant point bonus, which can contribute to reaching 100,000 points for an extra life.
Recommendation: Focus on collecting coins and consistently hitting the top of the flagpole to maximize your life count. Don't be afraid to replay earlier, easier levels if you're running low on lives before a tough boss.